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47690742469 = 2910116282261
BaseRepresentation
bin101100011010100101…
…101111101011000101
311120002122112201211011
4230122211233223011
51240132312224334
633524150042221
73305551423336
oct543245575305
9146078481734
1047690742469
11192531a9757
1292ab649371
134660505c56
142445b7228d
151391c95564
hexb1a96fac5

47690742469 has 8 divisors (see below), whose sum is σ = 49823721720. Its totient is φ = 45590328000.

The previous prime is 47690742467. The next prime is 47690742493. The reversal of 47690742469 is 96424709674.

It can be written as a sum of positive squares in 4 ways, for example, as 30084902500 + 17605839969 = 173450^2 + 132687^2 .

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 47690742469 - 21 = 47690742467 is a prime.

It is a super-2 number, since 2×476907424692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47690742461) 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, 8138202 + ... + 8144059.

It is an arithmetic number, because the mean of its divisors is an integer number (6227965215).

Almost surely, 247690742469 is an apocalyptic number.

It is an amenable number.

47690742469 is a deficient number, since it is larger than the sum of its proper divisors (2132979251).

47690742469 is a wasteful number, since it uses less digits than its factorization.

47690742469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16282391.

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 47690742469 in words is "forty-seven billion, six hundred ninety million, seven hundred forty-two thousand, four hundred sixty-nine".

Divisors: 1 29 101 2929 16282261 472185569 1644508361 47690742469