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1020245153504 = 25311028472937
BaseRepresentation
bin11101101100010110101…
…10011001011011100000
310121112102122020210010012
432312023112121123200
5113203430224403004
62100405534224052
7133465424501123
oct16661326313340
93545378223105
101020245153504
11363757878415
12145892055028
13752936a9c05
14375471063ba
151b813caa46e
hexed8b5996e0

1020245153504 has 24 divisors (see below), whose sum is σ = 2073401443008. Its totient is φ = 493667009280.

The previous prime is 1020245153503. The next prime is 1020245153507. The reversal of 1020245153504 is 4053515420201.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020245153503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514235477 + ... + 514237460.

It is an arithmetic number, because the mean of its divisors is an integer number (86391726792).

Almost surely, 21020245153504 is an apocalyptic number.

It is an amenable number.

1020245153504 is an abundant number, since it is smaller than the sum of its proper divisors (1053156289504).

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

1020245153504 is a wasteful number, since it uses less digits than its factorization.

1020245153504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028472978 (or 1028472970 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 1020245153504 in words is "one trillion, twenty billion, two hundred forty-five million, one hundred fifty-three thousand, five hundred four".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 1028472937 2056945874 4113891748 8227783496 16455566992 31882661047 32911133984 63765322094 127530644188 255061288376 510122576752 1020245153504