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42031101100 = 22521313208481
BaseRepresentation
bin100111001001001111…
…111011010010101100
311000111012221011102011
4213021033323102230
51142034430213400
631150412211004
73015366315232
oct471117732254
9130435834364
1042031101100
111690950839a
128190169a64
133c6aac8b31
14206a240952
15115ee8e8ba
hex9c93fb4ac

42031101100 has 36 divisors (see below), whose sum is σ = 91903758408. Its totient is φ = 16684096000.

The previous prime is 42031101097. The next prime is 42031101143. The reversal of 42031101100 is 110113024.

It is a super-2 number, since 2×420311011002 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1591141 + ... + 1617340.

It is an arithmetic number, because the mean of its divisors is an integer number (2552882178).

Almost surely, 242031101100 is an apocalyptic number.

It is an amenable number.

42031101100 is an abundant number, since it is smaller than the sum of its proper divisors (49872657308).

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

42031101100 is a wasteful number, since it uses less digits than its factorization.

42031101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208626 (or 3208619 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 42031101100 its reverse (110113024), we get a palindrome (42141214124).

The spelling of 42031101100 in words is "forty-two billion, thirty-one million, one hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 131 262 524 655 1310 2620 3275 6550 13100 3208481 6416962 12833924 16042405 32084810 64169620 80212025 160424050 320848100 420311011 840622022 1681244044 2101555055 4203110110 8406220220 10507775275 21015550550 42031101100