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2650158940 = 2251121384239
BaseRepresentation
bin1001110111110110…
…0011011101011100
320211200202000121211
42131331203131130
520411420041230
61114550034204
7122446656622
oct23575433534
96750660554
102650158940
11113aa44700
1261b648964
133330857b0
141b1d7b512
151079dc42a
hex9df6375c

2650158940 has 72 divisors (see below), whose sum is σ = 6587904960. Its totient is φ = 889553280.

The previous prime is 2650158919. The next prime is 2650158941. The reversal of 2650158940 is 498510562.

It is a junction number, because it is equal to n+sod(n) for n = 2650158893 and 2650158902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650158941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10660 + ... + 73579.

It is an arithmetic number, because the mean of its divisors is an integer number (91498680).

Almost surely, 22650158940 is an apocalyptic number.

2650158940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2650158940 is an abundant number, since it is smaller than the sum of its proper divisors (3937746020).

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

2650158940 is a wasteful number, since it uses less digits than its factorization.

2650158940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84283 (or 84270 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 2650158940 is about 51479.6944435376. The cubic root of 2650158940 is about 1383.8551691975.

The spelling of 2650158940 in words is "two billion, six hundred fifty million, one hundred fifty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 121 130 143 220 242 260 286 484 572 605 715 1210 1430 1573 2420 2860 3146 6292 7865 15730 31460 84239 168478 336956 421195 842390 926629 1095107 1684780 1853258 2190214 3706516 4380428 4633145 5475535 9266290 10192919 10951070 12046177 18532580 20385838 21902140 24092354 40771676 48184708 50964595 60230885 101929190 120461770 132507947 203858380 240923540 265015894 530031788 662539735 1325079470 2650158940