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2921094156 = 2231744332323
BaseRepresentation
bin1010111000011100…
…0101110000001100
321112120112221212110
42232013011300030
521440300003111
61201505104020
7132246614331
oct25607056014
97476487773
102921094156
111269977302
12696328010
133772481a6
141d9d46988
151216a95a6
hexae1c5c0c

2921094156 has 48 divisors (see below), whose sum is σ = 7233335424. Its totient is φ = 914324736.

The previous prime is 2921094131. The next prime is 2921094157. The reversal of 2921094156 is 6514901292.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2921094157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74211 + ... + 106533.

It is an arithmetic number, because the mean of its divisors is an integer number (150694488).

Almost surely, 22921094156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2921094156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3616667712).

2921094156 is an abundant number, since it is smaller than the sum of its proper divisors (4312241268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2921094156 is a wasteful number, since it uses less digits than its factorization.

2921094156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32790 (or 32788 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 2921094156 is about 54047.1475288012. The cubic root of 2921094156 is about 1429.4924039963.

The spelling of 2921094156 in words is "two billion, nine hundred twenty-one million, ninety-four thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 443 886 1329 1772 2658 5316 7531 15062 22593 30124 32323 45186 64646 90372 96969 129292 193938 387876 549491 1098982 1648473 2197964 3296946 6593892 14319089 28638178 42957267 57276356 85914534 171829068 243424513 486849026 730273539 973698052 1460547078 2921094156