Search a number
-
+
1101238007808 = 2113397451481
BaseRepresentation
bin10000000001100110111…
…001100111100000000000
310220021111011121002011210
4100001212321213200000
5121020313412222213
62201522440210120
7142363463422521
oct20014671474000
93807434532153
101101238007808
1139503a167644
12159516469940
137cb00419583
143b42ba8c848
151d9a44e80c3
hex10066e67800

1101238007808 has 96 divisors (see below), whose sum is σ = 2943319513680. Its totient is φ = 366153891840.

The previous prime is 1101238007791. The next prime is 1101238007827. The reversal of 1101238007808 is 8087008321011.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2213428 + ... + 2664908.

Almost surely, 21101238007808 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 1101238007808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1471659756840).

1101238007808 is an abundant number, since it is smaller than the sum of its proper divisors (1842081505872).

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

1101238007808 is an equidigital number, since it uses as much as digits as its factorization.

1101238007808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451903 (or 451883 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 39.

The spelling of 1101238007808 in words is "one trillion, one hundred one billion, two hundred thirty-eight million, seven thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 397 512 768 794 1024 1191 1536 1588 2048 2382 3072 3176 4764 6144 6352 9528 12704 19056 25408 38112 50816 76224 101632 152448 203264 304896 406528 451481 609792 813056 902962 1219584 1354443 1805924 2439168 2708886 3611848 5417772 7223696 10835544 14447392 21671088 28894784 43342176 57789568 86684352 115579136 173368704 179237957 231158272 346737408 358475914 462316544 537713871 693474816 716951828 924633088 1075427742 1386949632 1433903656 2150855484 2773899264 2867807312 4301710968 5735614624 8603421936 11471229248 17206843872 22942458496 34413687744 45884916992 68827375488 91769833984 137654750976 183539667968 275309501952 367079335936 550619003904 1101238007808