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75250025270 = 25731412713121
BaseRepresentation
bin100011000010101000…
…0000100001100110110
321012020022012100121222
41012011100010030312
52213103001302040
654322553110342
75302523442530
oct1060520041466
9235208170558
1075250025270
1129a0574a832
12127010b83b2
137133027294
1438dbd9c850
151e564a3bb5
hex1185404336

75250025270 has 128 divisors (see below), whose sum is σ = 164347674624. Its totient is φ = 24261120000.

The previous prime is 75250025243. The next prime is 75250025273. The reversal of 75250025270 is 7252005257.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 75250025270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75250025273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24109310 + ... + 24112430.

It is an arithmetic number, because the mean of its divisors is an integer number (1283966208).

Almost surely, 275250025270 is an apocalyptic number.

75250025270 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

75250025270 is an abundant number, since it is smaller than the sum of its proper divisors (89097649354).

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

75250025270 is a wasteful number, since it uses less digits than its factorization.

75250025270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478.

The product of its (nonzero) digits is 49000, while the sum is 35.

The spelling of 75250025270 in words is "seventy-five billion, two hundred fifty million, twenty-five thousand, two hundred seventy".

Divisors: 1 2 5 7 10 14 31 35 41 62 70 82 155 205 217 271 287 310 410 434 542 574 1085 1271 1355 1435 1897 2170 2542 2710 2870 3121 3794 6242 6355 8401 8897 9485 11111 12710 15605 16802 17794 18970 21847 22222 31210 42005 43694 44485 55555 58807 77777 84010 88970 96751 109235 111110 117614 127961 155554 193502 218470 255922 294035 344441 388885 483755 588070 639805 677257 688882 777770 845791 895727 967510 1279610 1354514 1691582 1722205 1791454 2411087 3386285 3444410 3966791 4228955 4478635 4822174 5920537 6772570 7933582 8457910 8957270 11841074 12055435 19833955 24110870 26219521 27767537 29602685 34677431 39667910 52439042 55535074 59205370 69354862 131097605 138837685 173387155 183536647 242742017 262195210 277675370 346774310 367073294 485484034 917683235 1075000361 1213710085 1835366470 2150000722 2427420170 5375001805 7525002527 10750003610 15050005054 37625012635 75250025270