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145552057194 = 2387751276449
BaseRepresentation
bin1000011110001110010…
…1000010001101101010
3111220200202212121102010
42013203211002031222
54341042311312234
6150510553420350
713341626033655
oct2074345021552
9456622777363
10145552057194
1156801383965
122426110a6b6
1310957c0153b
14708ab5689c
153bbd3756e9
hex21e394236a

145552057194 has 16 divisors (see below), whose sum is σ = 291108484800. Its totient is φ = 48516624000.

The previous prime is 145552057193. The next prime is 145552057213. The reversal of 145552057194 is 491750255541.

It is not an unprimeable number, because it can be changed into a prime (145552057193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388282 + ... + 664730.

It is an arithmetic number, because the mean of its divisors is an integer number (18194280300).

Almost surely, 2145552057194 is an apocalyptic number.

145552057194 is an abundant number, since it is smaller than the sum of its proper divisors (145556427606).

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

145552057194 is a wasteful number, since it uses less digits than its factorization.

145552057194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364205.

The product of its (nonzero) digits is 1260000, while the sum is 48.

The spelling of 145552057194 in words is "one hundred forty-five billion, five hundred fifty-two million, fifty-seven thousand, one hundred ninety-four".

Divisors: 1 2 3 6 87751 175502 263253 276449 526506 552898 829347 1658694 24258676199 48517352398 72776028597 145552057194