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3115372140 = 2232533895107
BaseRepresentation
bin1011100110110000…
…1100111001101100
322001010010022011100
42321230030321230
522340013402030
61233045123100
7140126140416
oct27154147154
98033108140
103115372140
111359601221
1272b3b9490
133a857ab8a
14217a799b6
15133783360
hexb9b0ce6c

3115372140 has 72 divisors (see below), whose sum is σ = 9454601520. Its totient is φ = 830358144.

The previous prime is 3115372133. The next prime is 3115372193. The reversal of 3115372140 is 412735113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 607467 + ... + 612573.

It is an arithmetic number, because the mean of its divisors is an integer number (131313910).

Almost surely, 23115372140 is an apocalyptic number.

3115372140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3115372140 is an abundant number, since it is smaller than the sum of its proper divisors (6339229380).

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

3115372140 is a wasteful number, since it uses less digits than its factorization.

3115372140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8511 (or 8506 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 3115372140 is about 55815.5188097361. The cubic root of 3115372140 is about 1460.5058827411.

The spelling of 3115372140 in words is "three billion, one hundred fifteen million, three hundred seventy-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 3389 5107 6778 10167 10214 13556 15321 16945 20334 20428 25535 30501 30642 33890 40668 45963 50835 51070 61002 61284 67780 76605 91926 101670 102140 122004 152505 153210 183852 203340 229815 305010 306420 459630 610020 919260 17307623 34615246 51922869 69230492 86538115 103845738 155768607 173076230 207691476 259614345 311537214 346152460 519228690 623074428 778843035 1038457380 1557686070 3115372140