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50115561605997 = 337015945129761
BaseRepresentation
bin10110110010100011100000…
…01111110100101101101101
320120110000000122201002200020
423121101300033310231231
523032043132232342442
6254330434323352353
713361505223026246
oct1331216017645555
9216400018632606
1050115561605997
1114a71988020098
1257548942226b9
1321c6b532237b4
14c5386b2bdccd
155bd94a1459ec
hex2d94703f4b6d

50115561605997 has 8 divisors (see below), whose sum is σ = 66820930807680. Its totient is φ = 33410283404160.

The previous prime is 50115561605951. The next prime is 50115561606001. The reversal of 50115561605997 is 79950616551105.

It is a happy number.

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

It is not a de Polignac number, because 50115561605997 - 215 = 50115561573229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50115561605997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50115561675997) 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, 21454404 + ... + 23675357.

It is an arithmetic number, because the mean of its divisors is an integer number (8352616350960).

Almost surely, 250115561605997 is an apocalyptic number.

It is an amenable number.

50115561605997 is a deficient number, since it is larger than the sum of its proper divisors (16705369201683).

50115561605997 is a wasteful number, since it uses less digits than its factorization.

50115561605997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45499923.

The product of its (nonzero) digits is 12757500, while the sum is 60.

The spelling of 50115561605997 in words is "fifty trillion, one hundred fifteen billion, five hundred sixty-one million, six hundred five thousand, nine hundred ninety-seven".

Divisors: 1 3 370159 1110477 45129761 135389283 16705187201999 50115561605997