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28954956120 = 2335241291301
BaseRepresentation
bin11010111101110110…
…011001000101011000
32202201220212011200020
4122331312121011120
5433244432043440
621145101110440
72043350031456
oct327566310530
982656764606
1028954956120
1111309355102
125740b58420
132965a1663c
1415897339d6
15b46eeb3d0
hex6bdd99158

28954956120 has 32 divisors (see below), whose sum is σ = 86864868720. Its totient is φ = 7721321600.

The previous prime is 28954956103. The next prime is 28954956167. The reversal of 28954956120 is 2165945982.

It is a super-2 number, since 2×289549561202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120645531 + ... + 120645770.

Almost surely, 228954956120 is an apocalyptic number.

28954956120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28954956120 is an abundant number, since it is smaller than the sum of its proper divisors (57909912600).

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

28954956120 is a wasteful number, since it uses less digits than its factorization.

28954956120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241291315 (or 241291311 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 28954956120 in words is "twenty-eight billion, nine hundred fifty-four million, nine hundred fifty-six thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 241291301 482582602 723873903 965165204 1206456505 1447747806 1930330408 2412913010 2895495612 3619369515 4825826020 5790991224 7238739030 9651652040 14477478060 28954956120