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1455661136260 = 225233164480731
BaseRepresentation
bin10101001011101100001…
…010100011100110000100
312011011022112020111010001
4111023230022203212010
5142322143222330020
63032415502011044
7210111432335152
oct25135412434604
95134275214101
101455661136260
11511384842851
121b6149b76a84
13a7364488266
1450650b3a3d2
1527ce9a0350a
hex152ec2a3984

1455661136260 has 24 divisors (see below), whose sum is σ = 3189796577856. Its totient is φ = 556948608480.

The previous prime is 1455661136249. The next prime is 1455661136261. The reversal of 1455661136260 is 626311665541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 1455661136260.

It is not an unprimeable number, because it can be changed into a prime (1455661136261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582239906 + ... + 1582240825.

It is an arithmetic number, because the mean of its divisors is an integer number (132908190744).

Almost surely, 21455661136260 is an apocalyptic number.

1455661136260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455661136260 is an abundant number, since it is smaller than the sum of its proper divisors (1734135441596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1455661136260 is a wasteful number, since it uses less digits than its factorization.

1455661136260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164480763 (or 3164480761 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 1455661136260 in words is "one trillion, four hundred fifty-five billion, six hundred sixty-one million, one hundred thirty-six thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 3164480731 6328961462 12657922924 15822403655 31644807310 63289614620 72783056813 145566113626 291132227252 363915284065 727830568130 1455661136260