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2903977313680 = 245139261149039
BaseRepresentation
bin101010010000100010100…
…010010100010110010000
3101021121200011122101212111
4222100202202110112100
5340034321143014210
610102022504035104
7416543156614222
oct52204242242620
911247604571774
102903977313680
11a1a62a53a283
123aa988162a94
13180ac802ab11
14a07a61a2412
155081479c88a
hex2a422894590

2903977313680 has 40 divisors (see below), whose sum is σ = 6800321001600. Its totient is φ = 1153234151808.

The previous prime is 2903977313639. The next prime is 2903977313687. The reversal of 2903977313680 is 863137793092.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2903977313687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130563400 + ... + 130585639.

It is an arithmetic number, because the mean of its divisors is an integer number (170008025040).

Almost surely, 22903977313680 is an apocalyptic number.

2903977313680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2903977313680 is an abundant number, since it is smaller than the sum of its proper divisors (3896343687920).

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

2903977313680 is a wasteful number, since it uses less digits than its factorization.

2903977313680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261149191 (or 261149185 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 58.

The spelling of 2903977313680 in words is "two trillion, nine hundred three billion, nine hundred seventy-seven million, three hundred thirteen thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 139 278 556 695 1112 1390 2224 2780 5560 11120 261149039 522298078 1044596156 1305745195 2089192312 2611490390 4178384624 5222980780 10445961560 20891923120 36299716421 72599432842 145198865684 181498582105 290397731368 362997164210 580795462736 725994328420 1451988656840 2903977313680