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101031038 = 2531396857
BaseRepresentation
bin1100000010110…
…01110001111110
321001002220112022
412001121301332
5201330443123
614005240142
72334515063
oct601316176
9231086468
10101031038
1152036129
1229a03052
1317c14ba4
14d5bcc6a
158d0a1c8
hex6059c7e

101031038 has 16 divisors (see below), whose sum is σ = 155539440. Its totient is φ = 49198656.

The previous prime is 101031031. The next prime is 101031043. The reversal of 101031038 is 830130101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101031031) 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, 11306 + ... + 18162.

It is an arithmetic number, because the mean of its divisors is an integer number (9721215).

Almost surely, 2101031038 is an apocalyptic number.

101031038 is a deficient number, since it is larger than the sum of its proper divisors (54508402).

101031038 is a wasteful number, since it uses less digits than its factorization.

101031038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7051.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 101031038 is about 10051.4197007189. The cubic root of 101031038 is about 465.7486502712.

Adding to 101031038 its reverse (830130101), we get a palindrome (931161139).

The spelling of 101031038 in words is "one hundred one million, thirty-one thousand, thirty-eight".

Divisors: 1 2 53 106 139 278 6857 7367 13714 14734 363421 726842 953123 1906246 50515519 101031038