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50621936940 = 223252312227521
BaseRepresentation
bin101111001001010011…
…010111010100101100
311211122221002211201100
4233021103113110230
51312133203440230
635131055443100
73441313235661
oct571123272454
9154587084640
1050621936940
111a517844523
129989226490
134a09879553
142643187a68
1514b4297660
hexbc94d752c

50621936940 has 72 divisors (see below), whose sum is σ = 160229448288. Its totient is φ = 12912261120.

The previous prime is 50621936933. The next prime is 50621936977. The reversal of 50621936940 is 4963912605.

50621936940 is a `hidden beast` number, since 506 + 21 + 9 + 36 + 94 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6109621 + ... + 6117900.

It is an arithmetic number, because the mean of its divisors is an integer number (2225409004).

Almost surely, 250621936940 is an apocalyptic number.

It is an amenable number.

50621936940 is an abundant number, since it is smaller than the sum of its proper divisors (109607511348).

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

50621936940 is a wasteful number, since it uses less digits than its factorization.

50621936940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12227559 (or 12227554 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 50621936940 in words is "fifty billion, six hundred twenty-one million, nine hundred thirty-six thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 23 30 36 45 46 60 69 90 92 115 138 180 207 230 276 345 414 460 690 828 1035 1380 2070 4140 12227521 24455042 36682563 48910084 61137605 73365126 110047689 122275210 146730252 183412815 220095378 244550420 281232983 366825630 440190756 550238445 562465966 733651260 843698949 1100476890 1124931932 1406164915 1687397898 2200953780 2531096847 2812329830 3374795796 4218494745 5062193694 5624659660 8436989490 10124387388 12655484235 16873978980 25310968470 50621936940