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2912136680 = 2351731792351
BaseRepresentation
bin1010110110010011…
…1010110111101000
321111221200212112002
42231210322313220
521431001333210
61200545110132
7132110516255
oct25544726750
97457625462
102912136680
111264909432
12693328348
1337542cccb
141d8a9442c
151209da4a5
hexad93ade8

2912136680 has 64 divisors (see below), whose sum is σ = 6629817600. Its totient is φ = 1151161600.

The previous prime is 2912136679. The next prime is 2912136713. The reversal of 2912136680 is 866312192.

It is a happy number.

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, 1237505 + ... + 1239855.

It is an arithmetic number, because the mean of its divisors is an integer number (103590900).

Almost surely, 22912136680 is an apocalyptic number.

2912136680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2912136680 is an abundant number, since it is smaller than the sum of its proper divisors (3717680920).

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

2912136680 is a wasteful number, since it uses less digits than its factorization.

2912136680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714 (or 2710 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2912136680 is about 53964.2166625255. The cubic root of 2912136680 is about 1428.0297380736.

The spelling of 2912136680 in words is "two billion, nine hundred twelve million, one hundred thirty-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 173 179 346 358 692 716 865 895 1384 1432 1730 1790 2351 3460 3580 4702 6920 7160 9404 11755 18808 23510 30967 47020 61934 94040 123868 154835 247736 309670 406723 420829 619340 813446 841658 1238680 1626892 1683316 2033615 2104145 3253784 3366632 4067230 4208290 8134460 8416580 16268920 16833160 72803417 145606834 291213668 364017085 582427336 728034170 1456068340 2912136680