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102231101031142 = 2673137895508143
BaseRepresentation
bin10111001111101010001000…
…011101100100001011100110
3111101222012100012112010220111
4113033222020131210023212
5101344423243330444032
61001232153000523234
730350644662042436
oct2717521035441346
9441865305463814
10102231101031142
112a634a6a411186
12b5710a4a8051a
134507475213695
141b360241182c6
15bc43eb336c47
hex5cfa887642e6

102231101031142 has 16 divisors (see below), whose sum is σ = 153585672246720. Its totient is φ = 51035887994112.

The previous prime is 102231101031071. The next prime is 102231101031149. The reversal of 102231101031142 is 241130101132201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102231101031149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15805923 + ... + 21314065.

It is an arithmetic number, because the mean of its divisors is an integer number (9599104515420).

Almost surely, 2102231101031142 is an apocalyptic number.

102231101031142 is a deficient number, since it is larger than the sum of its proper divisors (51354571215578).

102231101031142 is a wasteful number, since it uses less digits than its factorization.

102231101031142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522607.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 102231101031142 its reverse (241130101132201), we get a palindrome (343361202163343).

The spelling of 102231101031142 in words is "one hundred two trillion, two hundred thirty-one billion, one hundred one million, thirty-one thousand, one hundred forty-two".

Divisors: 1 2 673 1346 13789 27578 5508143 9279997 11016286 18559994 3706980239 7413960478 75951783827 151903567654 51115550515571 102231101031142