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226537100831 = 1381164038451
BaseRepresentation
bin1101001011111010101…
…0011101011000011111
3210122201202112002020202
43102332222131120133
512202421444211311
6252023020134115
722236541404626
oct3227652353037
9718652462222
10226537100831
118808a318898
1237aa299733b
13184931379c2
14ad706686bd
155d5d06de3b
hex34bea9d61f

226537100831 has 4 divisors (see below), whose sum is σ = 226701140664. Its totient is φ = 226373061000.

The previous prime is 226537100819. The next prime is 226537100857. The reversal of 226537100831 is 138001735622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138001735622 = 269000867811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-226537100831 is a prime.

It is a super-2 number, since 2×2265371008312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226537100891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82017845 + ... + 82020606.

It is an arithmetic number, because the mean of its divisors is an integer number (56675285166).

Almost surely, 2226537100831 is an apocalyptic number.

226537100831 is a deficient number, since it is larger than the sum of its proper divisors (164039833).

226537100831 is a wasteful number, since it uses less digits than its factorization.

226537100831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164039832.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 226537100831 in words is "two hundred twenty-six billion, five hundred thirty-seven million, one hundred thousand, eight hundred thirty-one".

Divisors: 1 1381 164038451 226537100831