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10131230002020 = 22351813463269389
BaseRepresentation
bin1001001101101101110001…
…0111011000101101100100
31022212112110211122002000120
42103123130113120231210
52311442224340031040
633314120043241540
72063646216064341
oct223333427305544
938775424562016
1010131230002020
1132566a3240946
1211776005192b0
135864a8aca3aa
142704d5ad77c8
1512880ac6b7d0
hex936dc5d8b64

10131230002020 has 96 divisors (see below), whose sum is σ = 28532512968960. Its totient is φ = 2685949217280.

The previous prime is 10131230002007. The next prime is 10131230002037. The reversal of 10131230002020 is 2020003213101.

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

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 31 ways as a sum of consecutive naturals, for example, 37473486 + ... + 37742874.

It is an arithmetic number, because the mean of its divisors is an integer number (297213676760).

Almost surely, 210131230002020 is an apocalyptic number.

10131230002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10131230002020 is an abundant number, since it is smaller than the sum of its proper divisors (18401282966940).

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

10131230002020 is a wasteful number, since it uses less digits than its factorization.

10131230002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273045 (or 273043 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10131230002020 its reverse (2020003213101), we get a palindrome (12151233215121).

The spelling of 10131230002020 in words is "ten trillion, one hundred thirty-one billion, two hundred thirty million, two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 181 362 543 724 905 1086 1810 2172 2715 3463 3620 5430 6926 10389 10860 13852 17315 20778 34630 41556 51945 69260 103890 207780 269389 538778 626803 808167 1077556 1253606 1346945 1616334 1880409 2507212 2693890 3134015 3232668 3760818 4040835 5387780 6268030 7521636 8081670 9402045 12536060 16163340 18804090 37608180 48759409 97518818 146278227 195037636 243797045 292556454 487594090 585112908 731391135 932894107 975188180 1462782270 1865788214 2798682321 2925564540 3731576428 4664470535 5597364642 9328941070 11194729284 13993411605 18657882140 27986823210 55973646420 168853833367 337707666734 506561500101 675415333468 844269166835 1013123000202 1688538333670 2026246000404 2532807500505 3377076667340 5065615001010 10131230002020