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30553901576 = 231117162712553
BaseRepresentation
bin11100011101001001…
…111000101000001000
32220212100120000111022
4130131021320220020
51000033244322301
622011500052012
72131103610152
oct343511705010
986770500438
1030553901576
1111a59976530
125b08534008
132b5c070403
14169bc31ad2
15bdc58cd1b
hex71d278a08

30553901576 has 64 divisors (see below), whose sum is σ = 66218834880. Its totient is φ = 13062113280.

The previous prime is 30553901549. The next prime is 30553901621. The reversal of 30553901576 is 67510935503.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2427716 + ... + 2440268.

It is an arithmetic number, because the mean of its divisors is an integer number (1034669295).

Almost surely, 230553901576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30553901576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33109417440).

30553901576 is an abundant number, since it is smaller than the sum of its proper divisors (35664933304).

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

30553901576 is a wasteful number, since it uses less digits than its factorization.

30553901576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14214 (or 14210 counting only the distinct ones).

The product of its (nonzero) digits is 425250, while the sum is 44.

The spelling of 30553901576 in words is "thirty billion, five hundred fifty-three million, nine hundred one thousand, five hundred seventy-six".

Divisors: 1 2 4 8 11 17 22 34 44 68 88 136 187 374 748 1496 1627 3254 6508 12553 13016 17897 25106 27659 35794 50212 55318 71588 100424 110636 138083 143176 213401 221272 276166 304249 426802 552332 608498 853604 1104664 1216996 1707208 2347411 2433992 4694822 9389644 18779288 20423731 40847462 81694924 163389848 224661041 347203427 449322082 694406854 898644164 1388813708 1797288328 2777627416 3819237697 7638475394 15276950788 30553901576