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245401405051254 = 23149274498215941
BaseRepresentation
bin110111110011000011110111…
…100100110101000101110110
31012011220010220212002120021020
4313303003313210311011312
5224131124034143120004
62225531503225402010
7102455444404646034
oct6763036744650566
91164803825076236
10245401405051254
1171213173606061
122363452a039306
13a6c133a3858ba
1444856c44b3554
151d586c14178d9
hexdf30f7935176

245401405051254 has 16 divisors (see below), whose sum is σ = 494096788695600. Its totient is φ = 81251471918240.

The previous prime is 245401405051217. The next prime is 245401405051261. The reversal of 245401405051254 is 452150504104542.

It is a super-2 number, since 2×2454014050512542 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137249107077 + ... + 137249108864.

It is an arithmetic number, because the mean of its divisors is an integer number (30881049293475).

Almost surely, 2245401405051254 is an apocalyptic number.

245401405051254 is an abundant number, since it is smaller than the sum of its proper divisors (248695383644346).

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

245401405051254 is a wasteful number, since it uses less digits than its factorization.

245401405051254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274498216095.

The product of its (nonzero) digits is 640000, while the sum is 42.

Adding to 245401405051254 its reverse (452150504104542), we get a palindrome (697551909155796).

The spelling of 245401405051254 in words is "two hundred forty-five trillion, four hundred one billion, four hundred five million, fifty-one thousand, two hundred fifty-four".

Divisors: 1 2 3 6 149 298 447 894 274498215941 548996431882 823494647823 1646989295646 40900234175209 81800468350418 122700702525627 245401405051254