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3145778900 = 2252112859799
BaseRepresentation
bin1011101110000000…
…1100011011010100
322010020100010101122
42323200030123110
522420304411100
61240052543112
7140645452025
oct27340143324
98106303348
103145778900
11137478a280
12739621a98
133b1966044
1421bb12c4c
1513628c985
hexbb80c6d4

3145778900 has 36 divisors (see below), whose sum is σ = 7446919200. Its totient is φ = 1143919200.

The previous prime is 3145778899. The next prime is 3145778941. The reversal of 3145778900 is 98775413.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 1428800 + ... + 1430999.

Almost surely, 23145778900 is an apocalyptic number.

It is an amenable number.

3145778900 is an abundant number, since it is smaller than the sum of its proper divisors (4301140300).

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

3145778900 is a wasteful number, since it uses less digits than its factorization.

3145778900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859824 (or 2859817 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 3145778900 is about 56087.2436477315. The cubic root of 3145778900 is about 1465.2421332516.

The spelling of 3145778900 in words is "three billion, one hundred forty-five million, seven hundred seventy-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 2859799 5719598 11439196 14298995 28597990 31457789 57195980 62915578 71494975 125831156 142989950 157288945 285979900 314577890 629155780 786444725 1572889450 3145778900