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3868899830 = 25538119001
BaseRepresentation
bin1110011010011010…
…1011100111110110
3100222122000110211022
43212212223213312
530410414243310
61435523541142
7164606051225
oct34646534766
910878013738
103868899830
111705990784
128bb82a7b2
1349870c253
14289b88cbc
151799caa55
hexe69ab9f6

3868899830 has 32 divisors (see below), whose sum is σ = 7104954528. Its totient is φ = 1516320000.

The previous prime is 3868899787. The next prime is 3868899869. The reversal of 3868899830 is 389988683.

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, 425330 + ... + 434330.

It is an arithmetic number, because the mean of its divisors is an integer number (222029829).

Almost surely, 23868899830 is an apocalyptic number.

3868899830 is a deficient number, since it is larger than the sum of its proper divisors (3236054698).

3868899830 is a wasteful number, since it uses less digits than its factorization.

3868899830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9872.

The product of its (nonzero) digits is 17915904, while the sum is 62.

The square root of 3868899830 is about 62200.4809466937. The cubic root of 3868899830 is about 1569.8656801527.

The spelling of 3868899830 in words is "three billion, eight hundred sixty-eight million, eight hundred ninety-nine thousand, eight hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 811 1622 4055 8110 9001 18002 42983 45005 85966 90010 214915 429830 477053 954106 2385265 4770530 7299811 14599622 36499055 72998110 386889983 773779966 1934449915 3868899830