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1081845152472 = 233757171126387
BaseRepresentation
bin11111011111000101111…
…11101111101011011000
310211102102122111221211110
433233202333233223120
5120211104324334342
62144554240100320
7141106063032630
oct17574277575330
93742378457743
101081845152472
11387898426377
121558039046a0
137b02c76c546
143a50c28d6c0
151d21bc0bc9c
hexfbe2fefad8

1081845152472 has 64 divisors (see below), whose sum is σ = 3091529560320. Its totient is φ = 309044274048.

The previous prime is 1081845152471. The next prime is 1081845152513. The reversal of 1081845152472 is 2742515481801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081845152471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397263 + ... + 1523649.

It is an arithmetic number, because the mean of its divisors is an integer number (48305149380).

Almost surely, 21081845152472 is an apocalyptic number.

1081845152472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1081845152472 is an abundant number, since it is smaller than the sum of its proper divisors (2009684407848).

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

1081845152472 is a wasteful number, since it uses less digits than its factorization.

1081845152472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132120 (or 1132116 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 48.

The spelling of 1081845152472 in words is "one trillion, eighty-one billion, eight hundred forty-five million, one hundred fifty-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 5717 11434 17151 22868 34302 40019 45736 68604 80038 120057 137208 160076 240114 320152 480228 960456 1126387 2252774 3379161 4505548 6758322 7884709 9011096 13516644 15769418 23654127 27033288 31538836 47308254 63077672 94616508 189233016 6439554479 12879108958 19318663437 25758217916 38637326874 45076881353 51516435832 77274653748 90153762706 135230644059 154549307496 180307525412 270461288118 360615050824 540922576236 1081845152472