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101031031024 = 24721129403969
BaseRepresentation
bin101111000010111101…
…0110011000011110000
3100122210000201010220221
41132011322303003300
53123402420443044
6114225113342424
710204433410600
oct1360572630360
9318700633827
10101031031024
1139935423a60
12176b7107a14
1396b12c2c81
144c65d68c00
1529649ea484
hex1785eb30f0

101031031024 has 120 divisors (see below), whose sum is σ = 256973396400. Its totient is φ = 38005309440.

The previous prime is 101031031021. The next prime is 101031031051. The reversal of 101031031024 is 420130130101.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 101031030989 and 101031031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101031031021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48112 + ... + 452080.

It is an arithmetic number, because the mean of its divisors is an integer number (2141444970).

Almost surely, 2101031031024 is an apocalyptic number.

101031031024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101031031024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128486698200).

101031031024 is an abundant number, since it is smaller than the sum of its proper divisors (155942365376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101031031024 is a wasteful number, since it uses less digits than its factorization.

101031031024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404031 (or 404018 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101031031024 its reverse (420130130101), we get a palindrome (521161161125).

The spelling of 101031031024 in words is "one hundred one billion, thirty-one million, thirty-one thousand, twenty-four".

Divisors: 1 2 4 7 8 11 14 16 22 28 29 44 49 56 58 77 88 98 112 116 154 176 196 203 232 308 319 392 406 464 539 616 638 784 812 1078 1232 1276 1421 1624 2156 2233 2552 2842 3248 4312 4466 5104 5684 8624 8932 11368 15631 17864 22736 31262 35728 62524 125048 250096 403969 807938 1615876 2827783 3231752 4443659 5655566 6463504 8887318 11311132 11715101 17774636 19794481 22622264 23430202 31105613 35549272 39588962 45244528 46860404 62211226 71098544 79177924 82005707 93720808 124422452 128866111 158355848 164011414 187441616 217739291 248844904 257732222 316711696 328022828 435478582 497689808 515464444 574039949 656045656 870957164 902062777 1030928888 1148079898 1312091312 1741914328 1804125554 2061857776 2296159796 3483828656 3608251108 4592319592 6314439439 7216502216 9184639184 12628878878 14433004432 25257757756 50515515512 101031031024