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4945297631 = 137251143813
BaseRepresentation
bin1001001101100001…
…10100000011011111
3110202122110011000112
410212300310003133
540111444011011
62134414520235
7233356223231
oct44660640337
913678404015
104945297631
11210854533a
12b6020607b
1360a718021
1434cb02251
151de24d58b
hex126c340df

4945297631 has 8 divisors (see below), whose sum is σ = 5001275664. Its totient is φ = 4889608000.

The previous prime is 4945297607. The next prime is 4945297667. The reversal of 4945297631 is 1367925494.

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 4945297631 - 214 = 4945281247 is a prime.

It is a super-2 number, since 2×49452976312 = 48911937318348424322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4945297631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945297681) 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, 37520 + ... + 106293.

It is an arithmetic number, because the mean of its divisors is an integer number (625159458).

Almost surely, 24945297631 is an apocalyptic number.

4945297631 is a deficient number, since it is larger than the sum of its proper divisors (55978033).

4945297631 is a wasteful number, since it uses less digits than its factorization.

4945297631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144201.

The product of its digits is 1632960, while the sum is 50.

The square root of 4945297631 is about 70322.8101756464. The cubic root of 4945297631 is about 1703.7170835548.

The spelling of 4945297631 in words is "four billion, nine hundred forty-five million, two hundred ninety-seven thousand, six hundred thirty-one".

Divisors: 1 137 251 34387 143813 19702381 36097063 4945297631