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1970122965 = 35131341531
BaseRepresentation
bin111010101101101…
…1011000011010101
312002022010121122020
41311123123003111
513013322413330
6523254323353
766551524506
oct16533330325
95068117566
101970122965
119210a05a8
1246b959559
13255216345
1414991cbad
15b7e60210
hex756db0d5

1970122965 has 8 divisors (see below), whose sum is σ = 3152196768. Its totient is φ = 1050732240.

The previous prime is 1970122927. The next prime is 1970122969. The reversal of 1970122965 is 5692210791.

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

It is a de Polignac number, because none of the positive numbers 2k-1970122965 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970122969) 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, 65670751 + ... + 65670780.

It is an arithmetic number, because the mean of its divisors is an integer number (394024596).

Almost surely, 21970122965 is an apocalyptic number.

1970122965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1970122965 is a deficient number, since it is larger than the sum of its proper divisors (1182073803).

1970122965 is a wasteful number, since it uses less digits than its factorization.

1970122965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131341539.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 1970122965 is about 44386.0672396192. The cubic root of 1970122965 is about 1253.6157634525.

The spelling of 1970122965 in words is "one billion, nine hundred seventy million, one hundred twenty-two thousand, nine hundred sixty-five".

Divisors: 1 3 5 15 131341531 394024593 656707655 1970122965