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2778000000253 = 29591873866851
BaseRepresentation
bin101000011011001101101…
…101000000010011111101
3100211120111121002210211021
4220123031231000103331
5331003321000002003
65524110125024141
7404463300252112
oct50331555002375
910746447083737
102778000000253
1198116363a105
1238a48a6b5051
13171c6c68bbca
1498655074909
154c3deb912bd
hex286cdb404fd

2778000000253 has 16 divisors (see below), whose sum is σ = 2924065166400. Its totient is φ = 2635334956800.

The previous prime is 2778000000241. The next prime is 2778000000263. The reversal of 2778000000253 is 3520000008772.

2778000000253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2778000000253 - 217 = 2777999869181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2778000000203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2771278 + ... + 3638128.

It is an arithmetic number, because the mean of its divisors is an integer number (182754072900).

Almost surely, 22778000000253 is an apocalyptic number.

It is an amenable number.

2778000000253 is a deficient number, since it is larger than the sum of its proper divisors (146065166147).

2778000000253 is a wasteful number, since it uses less digits than its factorization.

2778000000253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868812.

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 2778000000253 in words is "two trillion, seven hundred seventy-eight billion, two hundred fifty-three", and thus it is an aban number.

Divisors: 1 29 59 1711 1873 54317 110507 866851 3204703 25138679 51144209 1483182061 1623611923 47084745767 95793103457 2778000000253