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51234910104 = 233719131122527
BaseRepresentation
bin101111101101110101…
…101010111110011000
311220020122112002211010
4233231311222332120
51314412114110404
635311553533520
73462435356520
oct575565527630
9156218462733
1051234910104
111a801853314
129b1a5742a0
134aa6868071
1426a074a680
1514ecec9189
hexbedd6af98

51234910104 has 128 divisors (see below), whose sum is σ = 155267481600. Its totient is φ = 13762120320.

The previous prime is 51234910081. The next prime is 51234910109. The reversal of 51234910104 is 40101943215.

It is a super-2 number, since 2×512349101042 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51234910109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356889 + ... + 479415.

It is an arithmetic number, because the mean of its divisors is an integer number (1213027200).

Almost surely, 251234910104 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 51234910104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77633740800).

51234910104 is an abundant number, since it is smaller than the sum of its proper divisors (104032571496).

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

51234910104 is a wasteful number, since it uses less digits than its factorization.

51234910104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122693 (or 122689 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 51234910104 in words is "fifty-one billion, two hundred thirty-four million, nine hundred ten thousand, one hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 19 21 24 28 38 42 56 57 76 84 114 131 133 152 168 228 262 266 393 399 456 524 532 786 798 917 1048 1064 1572 1596 1834 2489 2751 3144 3192 3668 4978 5502 7336 7467 9956 11004 14934 17423 19912 22008 29868 34846 52269 59736 69692 104538 122527 139384 209076 245054 367581 418152 490108 735162 857689 980216 1470324 1715378 2328013 2573067 2940648 3430756 4656026 5146134 6861512 6984039 9312052 10292268 13968078 16051037 16296091 18624104 20584536 27936156 32102074 32592182 48153111 48888273 55872312 64204148 65184364 96306222 97776546 112357259 128408296 130368728 192612444 195553092 224714518 304969703 337071777 385224888 391106184 449429036 609939406 674143554 898858072 914909109 1219878812 1348287108 1829818218 2134787921 2439757624 2696574216 3659636436 4269575842 6404363763 7319272872 8539151684 12808727526 17078303368 25617455052 51234910104