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19113368237 = 947162112451
BaseRepresentation
bin10001110011001111…
…101101101010101101
31211100001011201010022
4101303033231222231
5303121010240422
612440333451525
71244434643435
oct216317555255
954301151108
1019113368237
118118aa84a7
123855040ba5
131a57ab1c62
14cd46492c5
1576ced0342
hex4733edaad

19113368237 has 8 divisors (see below), whose sum is σ = 19146892512. Its totient is φ = 19079874000.

The previous prime is 19113368213. The next prime is 19113368249. The reversal of 19113368237 is 73286331191.

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 19113368237 - 210 = 19113367213 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 (19113368297) 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, 1528862 + ... + 1541312.

It is an arithmetic number, because the mean of its divisors is an integer number (2393361564).

Almost surely, 219113368237 is an apocalyptic number.

It is an amenable number.

19113368237 is a deficient number, since it is larger than the sum of its proper divisors (33524275).

19113368237 is a wasteful number, since it uses less digits than its factorization.

19113368237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15019.

The product of its digits is 163296, while the sum is 44.

The spelling of 19113368237 in words is "nineteen billion, one hundred thirteen million, three hundred sixty-eight thousand, two hundred thirty-seven".

Divisors: 1 947 1621 12451 1535087 11791097 20183071 19113368237