Search a number
-
+
51037410557 = 7171948746351
BaseRepresentation
bin101111100010000100…
…010001010011111101
311212201212220002101002
4233202010101103331
51314011034114212
635240220500045
73454516555220
oct574204212375
9155655802332
1051037410557
111a710318a51
129a843aa625
134a74977c23
1426824195b7
1514da9b5ac2
hexbe21114fd

51037410557 has 32 divisors (see below), whose sum is σ = 65144954880. Its totient is φ = 38925100800.

The previous prime is 51037410553. The next prime is 51037410569. The reversal of 51037410557 is 75501473015.

51037410557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51037410557 - 22 = 51037410553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51037410557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51037410553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1077932 + ... + 1124282.

It is an arithmetic number, because the mean of its divisors is an integer number (2035779840).

Almost surely, 251037410557 is an apocalyptic number.

It is an amenable number.

51037410557 is a deficient number, since it is larger than the sum of its proper divisors (14107544323).

51037410557 is a wasteful number, since it uses less digits than its factorization.

51037410557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46881.

The product of its (nonzero) digits is 73500, while the sum is 38.

The spelling of 51037410557 in words is "fifty-one billion, thirty-seven million, four hundred ten thousand, five hundred fifty-seven".

Divisors: 1 7 17 19 119 133 323 487 2261 3409 8279 9253 46351 57953 64771 157301 324457 787967 880669 1101107 5515769 6164683 14971373 22572937 104799611 158010559 383739929 428885803 2686179503 3002200621 7291058651 51037410557