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2780000500601 is a prime number
BaseRepresentation
bin101000011101000100111…
…100010011101101111001
3100211202200000101202101202
4220131010330103231321
5331021420112004401
65525040430423545
7404564001236462
oct50350474235571
910752600352352
102780000500601
11981a9a898685
1238a948661bb5
131721cac7cc1c
14987a4a1dd69
154c4aa60206b
hex28744f13b79

2780000500601 has 2 divisors, whose sum is σ = 2780000500602. Its totient is φ = 2780000500600.

The previous prime is 2780000500393. The next prime is 2780000500633. The reversal of 2780000500601 is 1060050000872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2430543360400 + 349457140201 = 1559020^2 + 591149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2780000500601 is a prime.

It is a super-2 number, since 2×27800005006012 (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2780000500691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390000250300 + 1390000250301.

It is an arithmetic number, because the mean of its divisors is an integer number (1390000250301).

Almost surely, 22780000500601 is an apocalyptic number.

It is an amenable number.

2780000500601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2780000500601 is an equidigital number, since it uses as much as digits as its factorization.

2780000500601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 2780000500601 in words is "two trillion, seven hundred eighty billion, five hundred thousand, six hundred one".