Search a number
-
+
51027770220495 = 353401851348033
BaseRepresentation
bin10111001101000110101000…
…00111100001111111001111
320200200012121001011001112220
423212203110013201333033
523142014333134023440
6300305500052030423
713514430500230125
oct1346432407417717
9220605531131486
1051027770220495
1115293834aa8732
125881635002413
132261b8a126743
14c85a85ca9915
155d753939e8d0
hex2e68d41e1fcf

51027770220495 has 8 divisors (see below), whose sum is σ = 81644432352816. Its totient is φ = 27214810784256.

The previous prime is 51027770220461. The next prime is 51027770220503. The reversal of 51027770220495 is 59402207772015.

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

It is not a de Polignac number, because 51027770220495 - 26 = 51027770220431 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700925674002 + ... + 1700925674031.

It is an arithmetic number, because the mean of its divisors is an integer number (10205554044102).

Almost surely, 251027770220495 is an apocalyptic number.

51027770220495 is a deficient number, since it is larger than the sum of its proper divisors (30616662132321).

51027770220495 is a wasteful number, since it uses less digits than its factorization.

51027770220495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401851348041.

The product of its (nonzero) digits is 2469600, while the sum is 51.

The spelling of 51027770220495 in words is "fifty-one trillion, twenty-seven billion, seven hundred seventy million, two hundred twenty thousand, four hundred ninety-five".

Divisors: 1 3 5 15 3401851348033 10205554044099 17009256740165 51027770220495