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145720964193 = 3779852710301
BaseRepresentation
bin1000011110110110100…
…1010111010001100001
3111221010112200222020220
42013231221113101201
54341414031323233
6150535425553253
713346046521130
oct2075551272141
9457115628226
10145720964193
115688875a222
12242a97a5829
1310983bc01cc
1470a5363917
153bcd0dbeb3
hex21eda57461

145720964193 has 32 divisors (see below), whose sum is σ = 224909967360. Its totient is φ = 82197460800.

The previous prime is 145720964171. The next prime is 145720964239. The reversal of 145720964193 is 391469027541.

It is a happy number.

145720964193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145720964193 - 224 = 145704186977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145720964693) 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 31 ways as a sum of consecutive naturals, for example, 14141143 + ... + 14151443.

It is an arithmetic number, because the mean of its divisors is an integer number (7028436480).

Almost surely, 2145720964193 is an apocalyptic number.

It is an amenable number.

145720964193 is a deficient number, since it is larger than the sum of its proper divisors (79189003167).

145720964193 is a wasteful number, since it uses less digits than its factorization.

145720964193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18917.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 145720964193 in words is "one hundred forty-five billion, seven hundred twenty million, nine hundred sixty-four thousand, one hundred ninety-three".

Divisors: 1 3 7 21 79 237 553 1659 8527 10301 25581 30903 59689 72107 179067 216321 673633 813779 2020899 2441337 4715431 5696453 14146293 17089359 87836627 263509881 614856389 1844569167 6939093533 20817280599 48573654731 145720964193