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5189988810168 = 233442111901981
BaseRepresentation
bin100101110000110001101…
…1100000111110110111000
3200101011021020120200020000
41023201203130013312320
51140013044113411133
615012125320033000
71043651522000601
oct113414334076670
920334236520200
105189988810168
111721075420658
126b9a30902760
132b854c2a8976
1413d2a8030da8
159000bd27413
hex4b863707db8

5189988810168 has 80 divisors (see below), whose sum is σ = 14540233953960. Its totient is φ = 1729584532800.

The previous prime is 5189988810163. The next prime is 5189988810203. The reversal of 5189988810168 is 8610188899815.

5189988810168 is a `hidden beast` number, since 518 + 9 + 9 + 8 + 88 + 10 + 16 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 5189988810096 and 5189988810105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5189988810163) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1777738 + ... + 3679718.

Almost surely, 25189988810168 is an apocalyptic number.

It is an amenable number.

5189988810168 is an abundant number, since it is smaller than the sum of its proper divisors (9350245143792).

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

5189988810168 is a wasteful number, since it uses less digits than its factorization.

5189988810168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906210 (or 1906197 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 72.

The spelling of 5189988810168 in words is "five trillion, one hundred eighty-nine billion, nine hundred eighty-eight million, eight hundred ten thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 4211 8422 12633 16844 25266 33688 37899 50532 75798 101064 113697 151596 227394 303192 341091 454788 682182 909576 1364364 1901981 2728728 3803962 5705943 7607924 11411886 15215848 17117829 22823772 34235658 45647544 51353487 68471316 102706974 136942632 154060461 205413948 308120922 410827896 616241844 1232483688 8009241991 16018483982 24027725973 32036967964 48055451946 64073935928 72083177919 96110903892 144166355838 192221807784 216249533757 288332711676 432499067514 576665423352 648748601271 864998135028 1297497202542 1729996270056 2594994405084 5189988810168