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25052800000550 = 2527233330681281
BaseRepresentation
bin1011011001001000011110…
…01111101010001000100110
310021201000122201002120100212
411230210033033222020212
511240431113300004200
6125141033013535422
75164001511256520
oct554441717521046
9107630581076325
1025052800000550
117a89918525493
122987498044572
1310c961324527a
146287c2158a10
152d6a32b87035
hex16c90f3ea226

25052800000550 has 48 divisors (see below), whose sum is σ = 53277923467872. Its totient is φ = 8585849395200.

The previous prime is 25052800000541. The next prime is 25052800000559. The reversal of 25052800000550 is 5500000825052.

It is an interprime number because it is at equal distance from previous prime (25052800000541) and next prime (25052800000559).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25052800000559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14524091 + ... + 16157190.

It is an arithmetic number, because the mean of its divisors is an integer number (1109956738914).

Almost surely, 225052800000550 is an apocalyptic number.

25052800000550 is an abundant number, since it is smaller than the sum of its proper divisors (28225123467322).

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

25052800000550 is a wasteful number, since it uses less digits than its factorization.

25052800000550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30683633 (or 30683628 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 25052800000550 in words is "twenty-five trillion, fifty-two billion, eight hundred million, five hundred fifty", and thus it is an aban number.

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 2333 4666 11665 16331 23330 32662 58325 81655 116650 163310 408275 816550 30681281 61362562 153406405 214768967 306812810 429537934 767032025 1073844835 1534064050 2147689670 5369224175 10738448350 71579428573 143158857146 357897142865 501056000011 715794285730 1002112000022 1789485714325 2505280000055 3578971428650 5010560000110 12526400000275 25052800000550