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5550431131992 = 23337223264710589
BaseRepresentation
bin101000011000100111101…
…1110011101100101011000
3201122121122002101210012010
41100301033132131211120
51211414240332210432
615445455521545520
71112001600121035
oct120611736354530
921577562353163
105550431131992
11184aa1974693a
127578641a52a0
133135323a3636
141528dc68638c
15995a59ac3cc
hex50c4f79d958

5550431131992 has 128 divisors (see below), whose sum is σ = 14321773670400. Its totient is φ = 1791221257728.

The previous prime is 5550431131961. The next prime is 5550431132027. The reversal of 5550431131992 is 2991311340555.

It is a super-3 number, since 3×55504311319923 (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524164234 + ... + 524174822.

It is an arithmetic number, because the mean of its divisors is an integer number (111888856800).

Almost surely, 25550431131992 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 5550431131992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7160886835200).

5550431131992 is an abundant number, since it is smaller than the sum of its proper divisors (8771342538408).

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

5550431131992 is a wasteful number, since it uses less digits than its factorization.

5550431131992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13505 (or 13501 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 48.

The spelling of 5550431131992 in words is "five trillion, five hundred fifty billion, four hundred thirty-one million, one hundred thirty-one thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 223 296 444 446 669 888 892 1338 1784 2647 2676 5294 5352 7941 8251 10588 10589 15882 16502 21176 21178 24753 31764 31767 33004 42356 49506 63528 63534 66008 84712 97939 99012 127068 195878 198024 254136 293817 391756 391793 587634 590281 783512 783586 1175268 1175379 1180562 1567172 1770843 2350536 2350758 2361124 2361347 3134344 3541686 4701516 4722248 4722694 7083372 7084041 9403032 9445388 14166744 14168082 18890776 21840397 28029083 28336164 43680794 56058166 56672328 65521191 84087249 87361588 87369839 112116332 131042382 168174498 174723176 174739678 224232664 262084764 262109517 336348996 349479356 524169528 524219034 672697992 698958712 1037076071 1048438068 2074152142 2096876136 3111228213 4148304284 6222456426 6250485509 8296608568 12444912852 12500971018 18751456527 24889825704 25001942036 37502913054 50003884072 75005826108 150011652216 231267963833 462535927666 693803891499 925071855332 1387607782998 1850143710664 2775215565996 5550431131992