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1255889030208 = 263257132119267
BaseRepresentation
bin10010010001101000110…
…100011100110001000000
311110001200001210000100020
4102101220310130301000
5131034030042431313
62400540352253440
7156510046423041
oct22215064346100
94401601700306
101255889030208
1144468a68675a
12183496841280
139157843b897
1444add01c8c8
1522a06598323
hex12468d1cc40

1255889030208 has 112 divisors (see below), whose sum is σ = 3338501002944. Its totient is φ = 416663470080.

The previous prime is 1255889030183. The next prime is 1255889030233. The reversal of 1255889030208 is 8020309885521.

It is an interprime number because it is at equal distance from previous prime (1255889030183) and next prime (1255889030233).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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, 65173791 + ... + 65193057.

Almost surely, 21255889030208 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 1255889030208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1669250501472).

1255889030208 is an abundant number, since it is smaller than the sum of its proper divisors (2082611972736).

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

1255889030208 is a wasteful number, since it uses less digits than its factorization.

1255889030208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20860 (or 20850 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 51.

The spelling of 1255889030208 in words is "one trillion, two hundred fifty-five billion, eight hundred eighty-nine million, thirty thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 257 514 771 1028 1321 1542 2056 2642 3084 3963 4112 5284 6168 7926 8224 10568 12336 15852 16448 19267 21136 24672 31704 38534 42272 49344 57801 63408 77068 84544 115602 126816 154136 231204 253632 308272 339497 462408 616544 678994 924816 1018491 1233088 1357988 1849632 2036982 2715976 3699264 4073964 4951619 5431952 8147928 9903238 10863904 14854857 16295856 19806476 21727808 25451707 29709714 32591712 39612952 50903414 59419428 65183424 76355121 79225904 101806828 118838856 152710242 158451808 203613656 237677712 305420484 316903616 407227312 475355424 610840968 814454624 950710848 1221681936 1628909248 2443363872 4886727744 6541088699 13082177398 19623266097 26164354796 39246532194 52328709592 78493064388 104657419184 156986128776 209314838368 313972257552 418629676736 627944515104 1255889030208