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10142031030 = 2351549218249
BaseRepresentation
bin10010111001000001…
…10001110010110110
3222011211000120001220
421130200301302312
5131232324443110
64354214531210
7506220561405
oct113440616266
928154016056
1010142031030
114334a0402a
121b70666b06
13c582590c1
146c2d7563c
153e55b6370
hex25c831cb6

10142031030 has 32 divisors (see below), whose sum is σ = 24356700000. Its totient is φ = 2702783232.

The previous prime is 10142031019. The next prime is 10142031043. The reversal of 10142031030 is 3013024101.

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, 62655 + ... + 155594.

It is an arithmetic number, because the mean of its divisors is an integer number (761146875).

Almost surely, 210142031030 is an apocalyptic number.

10142031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10142031030 is an abundant number, since it is smaller than the sum of its proper divisors (14214668970).

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

10142031030 is a wasteful number, since it uses less digits than its factorization.

10142031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219808.

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

Adding to 10142031030 its reverse (3013024101), we get a palindrome (13155055131).

The spelling of 10142031030 in words is "ten billion, one hundred forty-two million, thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1549 3098 4647 7745 9294 15490 23235 46470 218249 436498 654747 1091245 1309494 2182490 3273735 6547470 338067701 676135402 1014203103 1690338505 2028406206 3380677010 5071015515 10142031030