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4872401557 is a prime number
BaseRepresentation
bin1001000100110101…
…01111001010010101
3110120120021122101221
410202122233022111
534434313322212
62123252250341
7231512505232
oct44232571225
913516248357
104872401557
112080386451
12b3b9109b1
135c85a425a
14343168789
151d7b4e807
hex1226af295

4872401557 has 2 divisors, whose sum is σ = 4872401558. Its totient is φ = 4872401556.

The previous prime is 4872401497. The next prime is 4872401579. The reversal of 4872401557 is 7551042784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4819969476 + 52432081 = 69426^2 + 7241^2 .

It is a cyclic number.

It is not a de Polignac number, because 4872401557 - 223 = 4864012949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4872401587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2436200778 + 2436200779.

It is an arithmetic number, because the mean of its divisors is an integer number (2436200779).

Almost surely, 24872401557 is an apocalyptic number.

It is an amenable number.

4872401557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4872401557 is an equidigital number, since it uses as much as digits as its factorization.

4872401557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 313600, while the sum is 43.

The square root of 4872401557 is about 69802.5899018081. The cubic root of 4872401557 is about 1695.3044074655.

The spelling of 4872401557 in words is "four billion, eight hundred seventy-two million, four hundred one thousand, five hundred fifty-seven".