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2315008140 = 2235251153719
BaseRepresentation
bin1000100111111100…
…0011100010001100
312222100002121011020
42021333003202030
514220120230030
61021414354140
7111240146604
oct21177034214
95870077136
102315008140
11a88841975
1254735b950
132ab7cb403
1417d657c04
15d8388510
hex89fc388c

2315008140 has 48 divisors (see below), whose sum is σ = 6507889920. Its totient is φ = 614872000.

The previous prime is 2315008109. The next prime is 2315008151. The reversal of 2315008140 is 418005132.

It is a self number, because there is not a number n which added to its sum of digits gives 2315008140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61800 + ... + 91919.

It is an arithmetic number, because the mean of its divisors is an integer number (135581040).

Almost surely, 22315008140 is an apocalyptic number.

2315008140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315008140 is an abundant number, since it is smaller than the sum of its proper divisors (4192881780).

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

2315008140 is a wasteful number, since it uses less digits than its factorization.

2315008140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153982 (or 153980 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2315008140 is about 48114.5314847812. The cubic root of 2315008140 is about 1322.8710351006.

The spelling of 2315008140 in words is "two billion, three hundred fifteen million, eight thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 251 502 753 1004 1255 1506 2510 3012 3765 5020 7530 15060 153719 307438 461157 614876 768595 922314 1537190 1844628 2305785 3074380 4611570 9223140 38583469 77166938 115750407 154333876 192917345 231500814 385834690 463001628 578752035 771669380 1157504070 2315008140