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245990027954 = 21147641371141
BaseRepresentation
bin1110010100011000100…
…1011111001010110010
3212111221110122011121002
43211012021133022302
513012241421343304
6305001204002002
723525601511106
oct3450611371262
9774843564532
10245990027954
1195361a59970
123b811690302
131a273388578
14bc98023906
1565eac7431e
hex394625f2b2

245990027954 has 32 divisors (see below), whose sum is σ = 411736027392. Its totient is φ = 109263616000.

The previous prime is 245990027947. The next prime is 245990027971. The reversal of 245990027954 is 459720099542.

245990027954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2459900279542 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 245990027954.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477224 + ... + 848364.

It is an arithmetic number, because the mean of its divisors is an integer number (12866750856).

Almost surely, 2245990027954 is an apocalyptic number.

245990027954 is a deficient number, since it is larger than the sum of its proper divisors (165745999438).

245990027954 is a wasteful number, since it uses less digits than its factorization.

245990027954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371842.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 245990027954 in words is "two hundred forty-five billion, nine hundred ninety million, twenty-seven thousand, nine hundred fifty-four".

Divisors: 1 2 11 22 47 94 517 641 1034 1282 7051 14102 30127 60254 331397 371141 662794 742282 4082551 8165102 17443627 34887254 191879897 237901381 383759794 475802762 2616915191 5233830382 11181364907 22362729814 122995013977 245990027954