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50561041540 = 22531271330059
BaseRepresentation
bin101111000101101011…
…000100010010000100
311211111200112000221011
4233011223010102010
51312022111312130
635121042332004
73436643522242
oct570553042204
9154450460834
1050561041540
111a496431949
12997095a004
1349ca077b79
142639055792
1514adc6952a
hexbc5ac4484

50561041540 has 48 divisors (see below), whose sum is σ = 109647336960. Its totient is φ = 19564151040.

The previous prime is 50561041529. The next prime is 50561041549. The reversal of 50561041540 is 4514016505.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (50561041549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667031 + ... + 1697089.

It is an arithmetic number, because the mean of its divisors is an integer number (2284319520).

Almost surely, 250561041540 is an apocalyptic number.

It is an amenable number.

50561041540 is an abundant number, since it is smaller than the sum of its proper divisors (59086295420).

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

50561041540 is a wasteful number, since it uses less digits than its factorization.

50561041540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32812 (or 32810 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 50561041540 in words is "fifty billion, five hundred sixty-one million, forty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 2713 5426 10852 13565 27130 30059 54260 60118 84103 120236 150295 168206 300590 336412 420515 601180 841030 931829 1682060 1863658 3727316 4659145 9318290 18636580 81550067 163100134 326200268 407750335 815500670 1631001340 2528052077 5056104154 10112208308 12640260385 25280520770 50561041540