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2122980772 = 2211293916417
BaseRepresentation
bin111111010001010…
…0001110110100100
312110221202121010111
41332202201312210
513321440341042
6550354502404
7103416016213
oct17642416644
95427677114
102122980772
1199a404970
124b2b94a04
1327aaa5c53
14161d4d07a
15c65a6517
hex7e8a1da4

2122980772 has 24 divisors (see below), whose sum is σ = 4054589280. Its totient is φ = 964604160.

The previous prime is 2122980767. The next prime is 2122980787. The reversal of 2122980772 is 2770892212.

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, 121108 + ... + 137524.

It is an arithmetic number, because the mean of its divisors is an integer number (168941220).

Almost surely, 22122980772 is an apocalyptic number.

2122980772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2122980772 is a deficient number, since it is larger than the sum of its proper divisors (1931608508).

2122980772 is a wasteful number, since it uses less digits than its factorization.

2122980772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19371 (or 19369 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 2122980772 is about 46075.8154784047. The cubic root of 2122980772 is about 1285.2334502957.

The spelling of 2122980772 in words is "two billion, one hundred twenty-two million, nine hundred eighty thousand, seven hundred seventy-two".

Divisors: 1 2 4 11 22 44 2939 5878 11756 16417 32329 32834 64658 65668 129316 180587 361174 722348 48249563 96499126 192998252 530745193 1061490386 2122980772