Search a number
-
+
2938256178913 = 1115722720113727
BaseRepresentation
bin101010110000011101101…
…101110011111011100001
3101101220011010101011212201
4222300131231303323201
5341120022040211123
610125452151053201
7422165504302636
oct52603555637341
911356133334781
102938256178913
11a33120016070
123b5554071201
131840cba22623
14a22d89d218d
155166dd835ad
hex2ac1db73ee1

2938256178913 has 32 divisors (see below), whose sum is σ = 3242478163968. Its totient is φ = 2640413505600.

The previous prime is 2938256178887. The next prime is 2938256178943. The reversal of 2938256178913 is 3198716528392.

It is a cyclic number.

It is not a de Polignac number, because 2938256178913 - 29 = 2938256178401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2938256178943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 788368456 + ... + 788372182.

It is an arithmetic number, because the mean of its divisors is an integer number (101327442624).

Almost surely, 22938256178913 is an apocalyptic number.

It is an amenable number.

2938256178913 is a deficient number, since it is larger than the sum of its proper divisors (304221985055).

2938256178913 is a wasteful number, since it uses less digits than its factorization.

2938256178913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6133.

The product of its digits is 39191040, while the sum is 64.

The spelling of 2938256178913 in words is "two trillion, nine hundred thirty-eight billion, two hundred fifty-six million, one hundred seventy-eight thousand, nine hundred thirteen".

Divisors: 1 11 157 227 1727 2011 2497 3727 22121 35639 40997 315727 392029 456497 585139 846029 3472997 5021467 6436529 7494997 9306319 71670029 82444967 132826553 788370319 1176714529 1461092083 1701364319 12943859819 18715007509 267114198083 2938256178913