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1397690048832 = 263711175561219
BaseRepresentation
bin10100010101101100110…
…100011010000101000000
311221121200102102010011220
4110111230310122011000
5140344432123030312
62550031232235040
7202660030251360
oct24255464320500
94847612363156
101397690048832
1149983665a840
121a6a6b69ba80
13a1a5618946c
144b91190a9a0
1526555474c8c
hex1456cd1a140

1397690048832 has 224 divisors, whose sum is σ = 4881772385280. Its totient is φ = 341681233920.

The previous prime is 1397690048813. The next prime is 1397690048851. The reversal of 1397690048832 is 2388400967931.

It is an interprime number because it is at equal distance from previous prime (1397690048813) and next prime (1397690048851).

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2529282 + ... + 3031937.

It is an arithmetic number, because the mean of its divisors is an integer number (21793626720).

Almost surely, 21397690048832 is an apocalyptic number.

1397690048832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1397690048832 is an abundant number, since it is smaller than the sum of its proper divisors (3484082336448).

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

1397690048832 is a wasteful number, since it uses less digits than its factorization.

1397690048832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561269 (or 5561259 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 1397690048832 in words is "one trillion, three hundred ninety-seven billion, six hundred ninety million, forty-eight thousand, eight hundred thirty-two".