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3144501620 = 2251367180511
BaseRepresentation
bin1011101101101101…
…0100100101110100
322010010221020021222
42323123110211310
522414443022440
61240005325512
7140631552131
oct27333244564
98103836258
103144501620
111373a97677
12739106898
133b1609860
1421b89d588
151360d92b5
hexbb6d4974

3144501620 has 48 divisors (see below), whose sum is σ = 7217591808. Its totient is φ = 1143711360.

The previous prime is 3144501587. The next prime is 3144501641. The reversal of 3144501620 is 261054413.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 3144501620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72836 + ... + 107675.

It is an arithmetic number, because the mean of its divisors is an integer number (150366496).

Almost surely, 23144501620 is an apocalyptic number.

It is an amenable number.

3144501620 is an abundant number, since it is smaller than the sum of its proper divisors (4073090188).

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

3144501620 is a wasteful number, since it uses less digits than its factorization.

3144501620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180600 (or 180598 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 3144501620 is about 56075.8559453175. The cubic root of 3144501620 is about 1465.0437957452.

The spelling of 3144501620 in words is "three billion, one hundred forty-four million, five hundred one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 67 130 134 260 268 335 670 871 1340 1742 3484 4355 8710 17420 180511 361022 722044 902555 1805110 2346643 3610220 4693286 9386572 11733215 12094237 23466430 24188474 46932860 48376948 60471185 120942370 157225081 241884740 314450162 628900324 786125405 1572250810 3144501620