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1049105806788 = 22313127331159979
BaseRepresentation
bin11110100010000111001…
…01000011010111000100
310201021220222122212121210
433101003211003113010
5114142032041304123
62121541430211420
7135536551136334
oct17210345032704
93637828585553
101049105806788
11374a17972396
1214b3a74b3b70
1377c129c5c50
1438ac40cd0c4
151c452879e93
hexf4439435c4

1049105806788 has 96 divisors (see below), whose sum is σ = 2665015951360. Its totient is φ = 319290491520.

The previous prime is 1049105806747. The next prime is 1049105806799. The reversal of 1049105806788 is 8876085019401.

It is a super-2 number, since 2×10491058067882 (a number of 25 digits) contains 22 as substring.

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, 6477783 + ... + 6637761.

Almost surely, 21049105806788 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 1049105806788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332507975680).

1049105806788 is an abundant number, since it is smaller than the sum of its proper divisors (1615910144572).

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

1049105806788 is a wasteful number, since it uses less digits than its factorization.

1049105806788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160457 (or 160455 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 57.

The spelling of 1049105806788 in words is "one trillion, forty-nine billion, one hundred five million, eight hundred six thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 127 156 254 331 381 508 662 762 993 1324 1524 1651 1986 3302 3972 4303 4953 6604 8606 9906 12909 17212 19812 25818 42037 51636 84074 126111 159979 168148 252222 319958 479937 504444 546481 639916 959874 1092962 1639443 1919748 2079727 2185924 3278886 4159454 6239181 6557772 8318908 12478362 20317333 24956724 40634666 52953049 60951999 81269332 105906098 121903998 158859147 211812196 243807996 264125329 317718294 528250658 635436588 688389637 792375987 1056501316 1376779274 1584751974 2065168911 2753558548 3169503948 4130337822 6725037223 8260675644 13450074446 20175111669 26900148892 40350223338 80700446676 87425483899 174850967798 262276451697 349701935596 524552903394 1049105806788