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26930450152 = 2315130772617
BaseRepresentation
bin11001000101001011…
…100000111011101000
32120111211101121120201
4121011023200323220
5420123143401102
620212141001544
71642235022634
oct310513407350
976454347521
1026930450152
111046a59a881
125276b532b4
13270246bc08
1414368d9dc4
15a793e7987
hex6452e0ee8

26930450152 has 32 divisors (see below), whose sum is σ = 50995264320. Its totient is φ = 13332297600.

The previous prime is 26930450137. The next prime is 26930450189. The reversal of 26930450152 is 25105403962.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334548 + ... + 407164.

It is an arithmetic number, because the mean of its divisors is an integer number (1593602010).

Almost surely, 226930450152 is an apocalyptic number.

It is an amenable number.

26930450152 is a deficient number, since it is larger than the sum of its proper divisors (24064814168).

26930450152 is a wasteful number, since it uses less digits than its factorization.

26930450152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73081 (or 73077 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 26930450152 in words is "twenty-six billion, nine hundred thirty million, four hundred fifty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 151 302 307 604 614 1208 1228 2456 46357 72617 92714 145234 185428 290468 370856 580936 10965167 21930334 22293419 43860668 44586838 87721336 89173676 178347352 3366306269 6732612538 13465225076 26930450152