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42031104102 = 23213213816931
BaseRepresentation
bin100111001001001111…
…111100000001100110
311000111012221022112100
4213021033330001212
51142034430312402
631150412232530
73015366330051
oct471117740146
9130435838470
1042031104102
111690950a679
12819016b746
133c6aaca300
14206a241a98
15115ee9071c
hex9c93fc066

42031104102 has 36 divisors (see below), whose sum is σ = 98611443684. Its totient is φ = 12932646480.

The previous prime is 42031104097. The next prime is 42031104149. The reversal of 42031104102 is 20140113024.

42031104102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×420311041022 (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6905424 + ... + 6911507.

It is an arithmetic number, because the mean of its divisors is an integer number (2739206769).

Almost surely, 242031104102 is an apocalyptic number.

42031104102 is an abundant number, since it is smaller than the sum of its proper divisors (56580339582).

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

42031104102 is a wasteful number, since it uses less digits than its factorization.

42031104102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13816965 (or 13816949 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 42031104102 its reverse (20140113024), we get a palindrome (62171217126).

The spelling of 42031104102 in words is "forty-two billion, thirty-one million, one hundred four thousand, one hundred two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 169 234 338 507 1014 1521 3042 13816931 27633862 41450793 82901586 124352379 179620103 248704758 359240206 538860309 1077720618 1616580927 2335061339 3233161854 4670122678 7005184017 14010368034 21015552051 42031104102