Search a number
-
+
2900578978979 = 112229104680031
BaseRepresentation
bin101010001101010111111…
…110101100110010100011
3101021021220100002010001022
4222031113332230302203
5340010341204311404
610100301350000055
7416363023343663
oct52152776546243
911237810063038
102900578978979
11a19146241100
123aa19a04602b
131806a5c68c96
14a0562b0a1a3
15506b62738be
hex2a357facca3

2900578978979 has 12 divisors (see below), whose sum is σ = 3202162178880. Its totient is φ = 2625375152400.

The previous prime is 2900578978951. The next prime is 2900578979017. The reversal of 2900578978979 is 9798798750092.

It is not a de Polignac number, because 2900578978979 - 212 = 2900578974883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2900578978919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52312307 + ... + 52367724.

It is an arithmetic number, because the mean of its divisors is an integer number (266846848240).

Almost surely, 22900578978979 is an apocalyptic number.

2900578978979 is a deficient number, since it is larger than the sum of its proper divisors (301583199901).

2900578978979 is a wasteful number, since it uses less digits than its factorization.

2900578978979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104680282 (or 104680271 counting only the distinct ones).

The product of its (nonzero) digits is 1440270720, while the sum is 80.

The spelling of 2900578978979 in words is "two trillion, nine hundred billion, five hundred seventy-eight million, nine hundred seventy-eight thousand, nine hundred seventy-nine".

Divisors: 1 11 121 229 2519 27709 104680031 1151480341 12666283751 23971727099 263688998089 2900578978979