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145603639674 = 23216361494413
BaseRepresentation
bin1000011110011010100…
…1110011100101111010
3111220211100221021021100
42013212221303211322
54341144012432144
6150520035152230
713343123342133
oct2074651634572
9456740837240
10145603639674
1156828505609
1224276445676
13109657c200c
147093942c8a
153bc2b64269
hex21e6a7397a

145603639674 has 24 divisors (see below), whose sum is σ = 315494472852. Its totient is φ = 48531481920.

The previous prime is 145603639591. The next prime is 145603639691. The reversal of 145603639674 is 476936306541.

145603639674 is a `hidden beast` number, since 1 + 4 + 560 + 3 + 6 + 3 + 9 + 6 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 145584218025 + 19421649 = 381555^2 + 4407^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145603639674.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47292 + ... + 541704.

Almost surely, 2145603639674 is an apocalyptic number.

145603639674 is an abundant number, since it is smaller than the sum of its proper divisors (169890833178).

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

145603639674 is a wasteful number, since it uses less digits than its factorization.

145603639674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510782 (or 510779 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 54.

The spelling of 145603639674 in words is "one hundred forty-five billion, six hundred three million, six hundred thirty-nine thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 18 16361 32722 49083 98166 147249 294498 494413 988826 1483239 2966478 4449717 8899434 8089091093 16178182186 24267273279 48534546558 72801819837 145603639674