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5455123840 = 2758523631
BaseRepresentation
bin1010001010010011…
…01001010110000000
3112002011210000002201
411011021221112000
542133002430330
62301150122544
7252116534065
oct50511512600
915064700081
105455123840
11234a303311
121082ab0454
1368c23083a
1439a6d4c6c
1521dda7eca
hex145269580

5455123840 has 32 divisors (see below), whose sum is σ = 13041156960. Its totient is φ = 2182049280.

The previous prime is 5455123813. The next prime is 5455123867. The reversal of 5455123840 is 483215545.

It is an interprime number because it is at equal distance from previous prime (5455123813) and next prime (5455123867).

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×54551238402 = 59516752219472691200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5455123840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4261176 + ... + 4262455.

It is an arithmetic number, because the mean of its divisors is an integer number (407536155).

Almost surely, 25455123840 is an apocalyptic number.

It is an amenable number.

5455123840 is an abundant number, since it is smaller than the sum of its proper divisors (7586033120).

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

5455123840 is an equidigital number, since it uses as much as digits as its factorization.

5455123840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8523650 (or 8523638 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 5455123840 is about 73858.8101718407. The cubic root of 5455123840 is about 1760.3601879897.

The spelling of 5455123840 in words is "five billion, four hundred fifty-five million, one hundred twenty-three thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 8523631 17047262 34094524 42618155 68189048 85236310 136378096 170472620 272756192 340945240 545512384 681890480 1091024768 1363780960 2727561920 5455123840