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51034577412 = 223721322412131
BaseRepresentation
bin101111100001111001…
…011101101000000100
311212201200120011000210
4233201321131220010
51314004322434122
635240040035420
73454453515300
oct574171355004
9155650504023
1051034577412
111a709763405
129a83462b70
134a741c5500
142681cbcd00
1514da60640c
hexbe1e5da04

51034577412 has 216 divisors, whose sum is σ = 150690732192. Its totient is φ = 13397529600.

The previous prime is 51034577401. The next prime is 51034577413. The reversal of 51034577412 is 21477543015.

51034577412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (51034577413) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 23947587 + ... + 23949717.

Almost surely, 251034577412 is an apocalyptic number.

51034577412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51034577412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75345366096).

51034577412 is an abundant number, since it is smaller than the sum of its proper divisors (99656154780).

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

51034577412 is a wasteful number, since it uses less digits than its factorization.

51034577412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419 (or 2397 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 51034577412 in words is "fifty-one billion, thirty-four million, five hundred seventy-seven thousand, four hundred twelve".