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101220010212020 = 22572728326500021
BaseRepresentation
bin10111000000111100011110…
…110000001011101010110100
3111021101112112112202201202212
4113000330132300023222310
5101231342040103241040
6555135455235352552
730214622132633660
oct2700743660135264
9437345475681685
10101220010212020
112a28518aa67777
12b429148752758
13446301027279b
141add108b1d8a0
15ba7e71091d65
hex5c0f1ec0bab4

101220010212020 has 48 divisors (see below), whose sum is σ = 242936937683328. Its totient is φ = 34702730190720.

The previous prime is 101220010212019. The next prime is 101220010212053. The reversal of 101220010212020 is 20212010022101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 101220010211986 and 101220010212004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9430391 + ... + 17069630.

It is an arithmetic number, because the mean of its divisors is an integer number (5061186201736).

Almost surely, 2101220010212020 is an apocalyptic number.

101220010212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101220010212020 is an abundant number, since it is smaller than the sum of its proper divisors (141716927471308).

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

101220010212020 is a wasteful number, since it uses less digits than its factorization.

101220010212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26527320 (or 26527318 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101220010212020 its reverse (20212010022101), we get a palindrome (121432020234121).

The spelling of 101220010212020 in words is "one hundred one trillion, two hundred twenty billion, ten million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 27283 54566 109132 136415 190981 272830 381962 545660 763924 954905 1909810 3819620 26500021 53000042 106000084 132500105 185500147 265000210 371000294 530000420 742000588 927500735 1855001470 3710002940 723000072943 1446000145886 2892000291772 3615000364715 5061000510601 7230000729430 10122001021202 14460001458860 20244002042404 25305002553005 50610005106010 101220010212020