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2872988630 = 25939130593
BaseRepresentation
bin1010101100111110…
…0101001111010110
321102020000221111022
42223033211033112
521340441114010
61153030041142
7131124000101
oct25317451726
97366027438
102872988630
1112447aa976
126821a91b2
1336a2a4195
141d37c3738
1511c355d55
hexab3e53d6

2872988630 has 16 divisors (see below), whose sum is σ = 5172099264. Its totient is φ = 1149035520.

The previous prime is 2872988603. The next prime is 2872988639. The reversal of 2872988630 is 368892782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872988639) 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, 78614 + ... + 109206.

It is an arithmetic number, because the mean of its divisors is an integer number (323256204).

Almost surely, 22872988630 is an apocalyptic number.

2872988630 is a deficient number, since it is larger than the sum of its proper divisors (2299110634).

2872988630 is a wasteful number, since it uses less digits than its factorization.

2872988630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39991.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 2872988630 is about 53600.2670702302. The cubic root of 2872988630 is about 1421.6018143792.

The spelling of 2872988630 in words is "two billion, eight hundred seventy-two million, nine hundred eighty-eight thousand, six hundred thirty".

Divisors: 1 2 5 10 9391 18782 30593 46955 61186 93910 152965 305930 287298863 574597726 1436494315 2872988630