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85730099232 = 2533197296981
BaseRepresentation
bin100111111010111101…
…0011000000000100000
322012021200022021102110
41033311322120000200
52401033401133412
6103214525315320
76123320551161
oct1176572300040
9265250267373
1085730099232
11333a3451488
1214746a05b40
138113310c8b
144213bab768
15236b590d3c
hex13f5e98020

85730099232 has 96 divisors (see below), whose sum is σ = 234696559104. Its totient is φ = 27369676800.

The previous prime is 85730099141. The next prime is 85730099269. The reversal of 85730099232 is 23299003758.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140182 + ... + 437162.

It is an arithmetic number, because the mean of its divisors is an integer number (2444755824).

Almost surely, 285730099232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85730099232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117348279552).

85730099232 is an abundant number, since it is smaller than the sum of its proper divisors (148966459872).

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

85730099232 is a wasteful number, since it uses less digits than its factorization.

85730099232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297122 (or 297114 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 85730099232 in words is "eighty-five billion, seven hundred thirty million, ninety-nine thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 97 124 186 194 248 291 372 388 496 582 744 776 992 1164 1488 1552 2328 2976 3007 3104 4656 6014 9021 9312 12028 18042 24056 36084 48112 72168 96224 144336 288672 296981 593962 890943 1187924 1781886 2375848 3563772 4751696 7127544 9206411 9503392 14255088 18412822 27619233 28510176 28807157 36825644 55238466 57614314 73651288 86421471 110476932 115228628 147302576 172842942 220953864 230457256 294605152 345685884 441907728 460914512 691371768 883815456 893021867 921829024 1382743536 1786043734 2679065601 2765487072 3572087468 5358131202 7144174936 10716262404 14288349872 21432524808 28576699744 42865049616 85730099232