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145903557074 = 21110165663167
BaseRepresentation
bin1000011111100010000…
…1111001100111010010
3111221121021021122121012
42013320201321213102
54342302302311244
6151005511330522
713353424525652
oct2077041714722
9457537248535
10145903557074
1156971832a30
122433a980a42
13109b2991332
1470c16d4362
153bde15889e
hex21f88799d2

145903557074 has 16 divisors (see below), whose sum is σ = 241115152896. Its totient is φ = 65663166000.

The previous prime is 145903557071. The next prime is 145903557119. The reversal of 145903557074 is 470755309541.

145903557074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145903557071) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32829362 + ... + 32833805.

It is an arithmetic number, because the mean of its divisors is an integer number (15069697056).

Almost surely, 2145903557074 is an apocalyptic number.

145903557074 is a deficient number, since it is larger than the sum of its proper divisors (95211595822).

145903557074 is a wasteful number, since it uses less digits than its factorization.

145903557074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65663281.

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 145903557074 in words is "one hundred forty-five billion, nine hundred three million, five hundred fifty-seven thousand, seventy-four".

Divisors: 1 2 11 22 101 202 1111 2222 65663167 131326334 722294837 1444589674 6631979867 13263959734 72951778537 145903557074