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1293046258428 = 223311972650541
BaseRepresentation
bin10010110100001111100…
…100000001101011111100
311120121120121122210002000
4102310033210001223330
5132141124320232203
62430003420502300
7162263614564341
oct22641744015374
94517517583060
101293046258428
114594179a3231
1218a7266aa990
1394c1a569862
1446825c307c8
152397d6e74a3
hex12d0f901afc

1293046258428 has 24 divisors (see below), whose sum is σ = 3352342151760. Its totient is φ = 431015419440.

The previous prime is 1293046258423. The next prime is 1293046258447. The reversal of 1293046258428 is 8248526403921.

1293046258428 is a `hidden beast` number, since 1 + 2 + 9 + 3 + 0 + 4 + 625 + 8 + 4 + 2 + 8 = 666.

It is a super-2 number, since 2×12930462584282 (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293046258423) 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, 5986325163 + ... + 5986325378.

It is an arithmetic number, because the mean of its divisors is an integer number (139680922990).

Almost surely, 21293046258428 is an apocalyptic number.

1293046258428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1293046258428 is an abundant number, since it is smaller than the sum of its proper divisors (2059295893332).

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

1293046258428 is a wasteful number, since it uses less digits than its factorization.

1293046258428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11972650554 (or 11972650546 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 1293046258428 in words is "one trillion, two hundred ninety-three billion, forty-six million, two hundred fifty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 11972650541 23945301082 35917951623 47890602164 71835903246 107753854869 143671806492 215507709738 323261564607 431015419476 646523129214 1293046258428