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80753255157379 = 7617113719442551
BaseRepresentation
bin10010010111000111010101…
…000101101000111010000011
3101120220221021012022201110011
4102113013111011220322003
541041030131310014004
6443425311104445351
723003141641244350
oct2227072505507203
9346827235281404
1080753255157379
11238042993377a2
129082631919857
133609ccb5803ac
1415d269aa51627
1595089e02c004
hex4971d5168e83

80753255157379 has 32 divisors (see below), whose sum is σ = 95817873549312. Its totient is φ = 66633507360000.

The previous prime is 80753255157371. The next prime is 80753255157389. The reversal of 80753255157379 is 97375155235708.

It is not a de Polignac number, because 80753255157379 - 23 = 80753255157371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80753255157371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5567847 + ... + 13874704.

It is an arithmetic number, because the mean of its divisors is an integer number (2994308548416).

Almost surely, 280753255157379 is an apocalyptic number.

80753255157379 is a deficient number, since it is larger than the sum of its proper divisors (15064618391933).

80753255157379 is a wasteful number, since it uses less digits than its factorization.

80753255157379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19442827.

The product of its (nonzero) digits is 277830000, while the sum is 67.

The spelling of 80753255157379 in words is "eighty trillion, seven hundred fifty-three billion, two hundred fifty-five million, one hundred fifty-seven thousand, three hundred seventy-nine".

Divisors: 1 7 61 71 137 427 497 959 4331 8357 9727 30317 58499 68089 593347 4153429 19442551 136097857 1185995611 1380421121 2663629487 8301969277 9662947847 18645406409 84205688381 162481398707 189117693577 589439818667 1137369790949 1323823855039 11536179308197 80753255157379