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716321970481 = 13531039654529
BaseRepresentation
bin10100110110010000001…
…11011101100100110001
32112110221201011102000011
422123020013131210301
543214011411023411
61305023533454521
7102516061200205
oct12331007354461
92473851142004
10716321970481
112568770946a7
12b69b2941441
1352719b44240
1426954d28b05
1513976e9bc21
hexa6c81dd931

716321970481 has 8 divisors (see below), whose sum is σ = 785978824680. Its totient is φ = 648744425472.

The previous prime is 716321970409. The next prime is 716321970541. The reversal of 716321970481 is 184079123617.

It can be written as a sum of positive squares in 4 ways, for example, as 3420378256 + 712901592225 = 58484^2 + 844335^2 .

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

It is not a de Polignac number, because 716321970481 - 233 = 707732035889 is a prime.

It is a super-2 number, since 2×7163219704812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716321670481) 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, 519826576 + ... + 519827953.

It is an arithmetic number, because the mean of its divisors is an integer number (98247353085).

Almost surely, 2716321970481 is an apocalyptic number.

It is an amenable number.

716321970481 is a deficient number, since it is larger than the sum of its proper divisors (69656854199).

716321970481 is a wasteful number, since it uses less digits than its factorization.

716321970481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039654595.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 716321970481 in words is "seven hundred sixteen billion, three hundred twenty-one million, nine hundred seventy thousand, four hundred eighty-one".

Divisors: 1 13 53 689 1039654529 13515508877 55101690037 716321970481