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258100020706 = 21129735541719
BaseRepresentation
bin1111000001011111110…
…1011100010111100010
3220200012102201112122011
43300113331130113202
513212042101130311
6314323003103134
724434646656323
oct3602775342742
9820172645564
10258100020706
119a506807740
1242031211aaa
131b453252058
14c6c64b444a
156aa8ec0321
hex3c17f5c5e2

258100020706 has 32 divisors (see below), whose sum is σ = 442894262400. Its totient is φ = 111721034880.

The previous prime is 258100020671. The next prime is 258100020707. The reversal of 258100020706 is 607020001852.

It is not an unprimeable number, because it can be changed into a prime (258100020707) 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, 2724286 + ... + 2817433.

It is an arithmetic number, because the mean of its divisors is an integer number (13840445700).

Almost surely, 2258100020706 is an apocalyptic number.

258100020706 is a deficient number, since it is larger than the sum of its proper divisors (184794241694).

258100020706 is a wasteful number, since it uses less digits than its factorization.

258100020706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541834.

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 258100020706 in words is "two hundred fifty-eight billion, one hundred million, twenty thousand, seven hundred six".

Divisors: 1 2 11 22 29 58 73 146 319 638 803 1606 2117 4234 23287 46574 5541719 11083438 60958909 121917818 160709851 321419702 404545487 809090974 1767808361 3535616722 4450000357 8900000714 11731819123 23463638246 129050010353 258100020706