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2135056672 = 257199211227
BaseRepresentation
bin111111101000010…
…0110000100100000
312111210111010011001
41333100212010200
513333033303142
6551505401344
7103623453010
oct17720460440
95453433131
102135056672
119a6202751
124b7039254
13280443658
141637b3c40
15c768e5b7
hex7f426120

2135056672 has 96 divisors (see below), whose sum is σ = 4872268800. Its totient is φ = 902119680.

The previous prime is 2135056667. The next prime is 2135056681. The reversal of 2135056672 is 2766505312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9405423 + ... + 9405649.

It is an arithmetic number, because the mean of its divisors is an integer number (50752800).

Almost surely, 22135056672 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 2135056672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2436134400).

2135056672 is an abundant number, since it is smaller than the sum of its proper divisors (2737212128).

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

2135056672 is a wasteful number, since it uses less digits than its factorization.

2135056672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 2135056672 is about 46206.6734574131. The cubic root of 2135056672 is about 1287.6657247571.

The spelling of 2135056672 in words is "two billion, one hundred thirty-five million, fifty-six thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 199 211 224 227 398 422 454 796 844 908 1393 1477 1589 1592 1688 1816 2786 2954 3178 3184 3376 3632 5572 5908 6356 6368 6752 7264 11144 11816 12712 22288 23632 25424 41989 44576 45173 47264 47897 50848 83978 90346 95794 167956 180692 191588 293923 316211 335279 335912 361384 383176 587846 632422 670558 671824 722768 766352 1175692 1264844 1341116 1343648 1445536 1532704 2351384 2529688 2682232 4702768 5059376 5364464 9405536 9531503 10118752 10728928 19063006 38126012 66720521 76252024 133441042 152504048 266882084 305008096 533764168 1067528336 2135056672