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10203202131012 = 22321171935835413
BaseRepresentation
bin1001010001111001111000…
…1111010001010001000100
31100010102020200220001021200
42110132132033101101010
52314132124221143022
633411141503542500
72102104601065242
oct224363617212104
940112220801250
1010203202131012
113284176673690
1211895478baa30
135902089b1177
14273ba25d1792
1512a61e586bac
hex9479e3d1444

10203202131012 has 72 divisors (see below), whose sum is σ = 28175235903360. Its totient is φ = 3087579097920.

The previous prime is 10203202131007. The next prime is 10203202131029. The reversal of 10203202131012 is 21013120230201.

10203202131012 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 320 + 21 + 310 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17632983 + ... + 18202430.

It is an arithmetic number, because the mean of its divisors is an integer number (391322720880).

Almost surely, 210203202131012 is an apocalyptic number.

10203202131012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10203202131012 is an abundant number, since it is smaller than the sum of its proper divisors (17972033772348).

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

10203202131012 is a wasteful number, since it uses less digits than its factorization.

10203202131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35836153 (or 35836148 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10203202131012 its reverse (21013120230201), we get a palindrome (31216322361213).

The spelling of 10203202131012 in words is "ten trillion, two hundred three billion, two hundred two million, one hundred thirty-one thousand, twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 719 1438 2157 2876 4314 6471 7909 8628 12942 15818 23727 25884 31636 47454 71181 94908 142362 284724 35835413 71670826 107506239 143341652 215012478 322518717 394189543 430024956 645037434 788379086 1182568629 1290074868 1576758172 2365137258 3547705887 4730274516 7095411774 14190823548 25765661947 51531323894 77296985841 103062647788 154593971682 231890957523 283422281417 309187943364 463781915046 566844562834 850266844251 927563830092 1133689125668 1700533688502 2550800532753 3401067377004 5101601065506 10203202131012