Search a number
-
+
80445016794 = 234715712171493
BaseRepresentation
bin100101011101011100…
…1011000101011011010
321200122100111021021110
41022322321120223122
52304222411014134
6100542251521150
75545334234442
oct1127271305332
9250570437243
1080445016794
113113112985a
1213710a591b6
1377803a856c
143c71cdb122
15215c5c57e9
hex12bae58ada

80445016794 has 64 divisors (see below), whose sum is σ = 165606529536. Its totient is φ = 26038431744.

The previous prime is 80445016759. The next prime is 80445016819. The reversal of 80445016794 is 49761054408.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53880712 + ... + 53882204.

It is an arithmetic number, because the mean of its divisors is an integer number (2587602024).

Almost surely, 280445016794 is an apocalyptic number.

80445016794 is an abundant number, since it is smaller than the sum of its proper divisors (85161512742).

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

80445016794 is a wasteful number, since it uses less digits than its factorization.

80445016794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2919.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 80445016794 in words is "eighty billion, four hundred forty-five million, sixteen thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 47 94 141 157 282 314 471 942 1217 1493 2434 2986 3651 4479 7302 7379 8958 14758 22137 44274 57199 70171 114398 140342 171597 191069 210513 234401 343194 382138 421026 468802 573207 703203 1146414 1406406 1816981 3633962 5450943 8980243 10901886 11016847 17960486 22033694 26940729 33050541 53881458 66101082 85398107 170796214 256194321 285266017 512388642 570532034 855798051 1711596102 13407502799 26815005598 40222508397 80445016794