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2031550113 = 31271353267
BaseRepresentation
bin111100100010110…
…1111111010100001
312020120201102211210
41321011233322201
513130034100423
6533331100333
7101225614425
oct17105577241
95216642753
102031550113
1195283673a
124884416a9
13264b72a78
14153b4cb85
15bd545b93
hex7916fea1

2031550113 has 8 divisors (see below), whose sum is σ = 2708997408. Its totient is φ = 1354234784.

The previous prime is 2031550109. The next prime is 2031550159. The reversal of 2031550113 is 3110551302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2031550113 - 22 = 2031550109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2031550113.

It is not an unprimeable number, because it can be changed into a prime (2031550163) 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, 11506 + ... + 64772.

It is an arithmetic number, because the mean of its divisors is an integer number (338624676).

Almost surely, 22031550113 is an apocalyptic number.

It is an amenable number.

2031550113 is a deficient number, since it is larger than the sum of its proper divisors (677447295).

2031550113 is a wasteful number, since it uses less digits than its factorization.

2031550113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65983.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 2031550113 is about 45072.7202751287. The cubic root of 2031550113 is about 1266.5116234592.

The spelling of 2031550113 in words is "two billion, thirty-one million, five hundred fifty thousand, one hundred thirteen".

Divisors: 1 3 12713 38139 53267 159801 677183371 2031550113