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1010131312020 = 223529357459119
BaseRepresentation
bin11101011001100001000…
…01001001110110010100
310120120022210021101211120
432230300201021312110
5113022222103441040
62052014203403540
7132656665324605
oct16546041116624
93516283241746
101010131312020
1135a437878636
1214392ab235b0
1374341240a1c
1436c67bcbdac
151b420e117d0
hexeb30849d94

1010131312020 has 48 divisors (see below), whose sum is σ = 2838020855040. Its totient is φ = 268448999296.

The previous prime is 1010131311991. The next prime is 1010131312079. The reversal of 1010131312020 is 202131310101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28711980 + ... + 28747139.

It is an arithmetic number, because the mean of its divisors is an integer number (59125434480).

Almost surely, 21010131312020 is an apocalyptic number.

1010131312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010131312020 is an abundant number, since it is smaller than the sum of its proper divisors (1827889543020).

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

1010131312020 is a wasteful number, since it uses less digits than its factorization.

1010131312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57459424 (or 57459422 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1010131312020 its reverse (202131310101), we get a palindrome (1212262622121).

The spelling of 1010131312020 in words is "one trillion, ten billion, one hundred thirty-one million, three hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 293 586 879 1172 1465 1758 2930 3516 4395 5860 8790 17580 57459119 114918238 172377357 229836476 287295595 344754714 574591190 689509428 861886785 1149182380 1723773570 3447547140 16835521867 33671043734 50506565601 67342087468 84177609335 101013131202 168355218670 202026262404 252532828005 336710437340 505065656010 1010131312020