Search a number
-
+
5555306792581 = 71361047327391
BaseRepresentation
bin101000011010111001000…
…0101101000011010000101
3201200002012212211000010221
41100311302011220122011
51212004232014330311
615452023412144341
71112233452421660
oct120656205503205
921602185730127
105555306792581
111851aa09488a7
127587a50080b1
13313b2b5490c0
14152c4201c6d7
159978da52671
hex50d72168685

5555306792581 has 8 divisors (see below), whose sum is σ = 6837300667904. Its totient is φ = 4395407572080.

The previous prime is 5555306792549. The next prime is 5555306792587. The reversal of 5555306792581 is 1852976035555.

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

It is not a de Polignac number, because 5555306792581 - 25 = 5555306792549 is a prime.

It is a super-2 number, since 2×55553067925812 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555306792587) 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, 30523663605 + ... + 30523663786.

It is an arithmetic number, because the mean of its divisors is an integer number (854662583488).

Almost surely, 25555306792581 is an apocalyptic number.

It is an amenable number.

5555306792581 is a deficient number, since it is larger than the sum of its proper divisors (1281993875323).

5555306792581 is a wasteful number, since it uses less digits than its factorization.

5555306792581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61047327411.

The product of its (nonzero) digits is 56700000, while the sum is 61.

The spelling of 5555306792581 in words is "five trillion, five hundred fifty-five billion, three hundred six million, seven hundred ninety-two thousand, five hundred eighty-one".

Divisors: 1 7 13 91 61047327391 427331291737 793615256083 5555306792581