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6131707021 = 112069269419
BaseRepresentation
bin1011011010111101…
…00110110010001101
3120211022212222202001
411231132212302031
5100024204111041
62452235432301
7304643435566
oct55536466215
916738788661
106131707021
112667209270
1212315b5691
1376946150b
144224d516d
1525d4a2131
hex16d7a6c8d

6131707021 has 8 divisors (see below), whose sum is σ = 6692392800. Its totient is φ = 5571564240.

The previous prime is 6131707003. The next prime is 6131707039. The reversal of 6131707021 is 1207071316.

It is an interprime number because it is at equal distance from previous prime (6131707003) and next prime (6131707039).

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

It is not a de Polignac number, because 6131707021 - 211 = 6131704973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6131707061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111951 + ... + 157468.

It is an arithmetic number, because the mean of its divisors is an integer number (836549100).

Almost surely, 26131707021 is an apocalyptic number.

It is an amenable number.

6131707021 is a deficient number, since it is larger than the sum of its proper divisors (560685779).

6131707021 is a wasteful number, since it uses less digits than its factorization.

6131707021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271499.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 6131707021 is about 78305.2170739600. The cubic root of 6131707021 is about 1830.3204492233.

Adding to 6131707021 its reverse (1207071316), we get a palindrome (7338778337).

The spelling of 6131707021 in words is "six billion, one hundred thirty-one million, seven hundred seven thousand, twenty-one".

Divisors: 1 11 2069 22759 269419 2963609 557427911 6131707021