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2128833504272 = 2437109178318503
BaseRepresentation
bin11110111110101000010…
…111010110010000010000
321112111220001210222021102
4132332220113112100100
5234334322334114042
64305550030043532
7306542323136156
oct36765027262020
97474801728242
102128833504272
11750919018462
122a46ba0495a8
13125995875737
147507106b3d6
153a598722b32
hex1efa85d6410

2128833504272 has 80 divisors (see below), whose sum is σ = 4277583002880. Its totient is φ = 1025516422656.

The previous prime is 2128833504269. The next prime is 2128833504283. The reversal of 2128833504272 is 2724053388212.

It is a super-2 number, since 2×21288335042722 (a number of 25 digits) contains 22 as substring.

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, 115044173 + ... + 115062675.

It is an arithmetic number, because the mean of its divisors is an integer number (53469787536).

Almost surely, 22128833504272 is an apocalyptic number.

It is an amenable number.

2128833504272 is an abundant number, since it is smaller than the sum of its proper divisors (2148749498608).

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

2128833504272 is a wasteful number, since it uses less digits than its factorization.

2128833504272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20440 (or 20434 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 2128833504272 in words is "two trillion, one hundred twenty-eight billion, eight hundred thirty-three million, five hundred four thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 37 74 109 148 218 296 436 592 872 1744 1783 3566 4033 7132 8066 14264 16132 18503 28528 32264 37006 64528 65971 74012 131942 148024 194347 263884 296048 388694 527768 684611 777388 1055536 1369222 1554776 2016827 2738444 3109552 4033654 5476888 7190839 8067308 10953776 14381678 16134616 28763356 32269232 32990849 57526712 65981698 74622599 115053424 131963396 149245198 263926792 298490396 527853584 596980792 1193961584 1220661413 2441322826 3596002541 4882645652 7192005082 9765291304 14384010164 19530582608 28768020328 57536040656 133052094017 266104188034 532208376068 1064416752136 2128833504272