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1928162101968 = 243333713244327
BaseRepresentation
bin11100000011101111011…
…010101100101011010000
320211022220221011111222000
4130003233122230223100
5223042333444230333
64033441353314000
7256206440306064
oct34035732545320
96738827144860
101928162101968
1168380226a823
12271835705900
1310ca9541aabb
1469475b37aa4
1535251379713
hex1c0ef6acad0

1928162101968 has 80 divisors (see below), whose sum is σ = 5550962751360. Its totient is φ = 640813469184.

The previous prime is 1928162101963. The next prime is 1928162101997. The reversal of 1928162101968 is 8691012618291.

1928162101968 is a `hidden beast` number, since 1 + 9 + 2 + 8 + 1 + 621 + 0 + 1 + 9 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928162101963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6476580 + ... + 6767747.

It is an arithmetic number, because the mean of its divisors is an integer number (69387034392).

Almost surely, 21928162101968 is an apocalyptic number.

1928162101968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1928162101968 is an abundant number, since it is smaller than the sum of its proper divisors (3622800649392).

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

1928162101968 is a wasteful number, since it uses less digits than its factorization.

1928162101968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13244681 (or 13244669 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The spelling of 1928162101968 in words is "one trillion, nine hundred twenty-eight billion, one hundred sixty-two million, one hundred one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 337 432 674 1011 1348 2022 2696 3033 4044 5392 6066 8088 9099 12132 16176 18198 24264 36396 48528 72792 145584 13244327 26488654 39732981 52977308 79465962 105954616 119198943 158931924 211909232 238397886 317863848 357596829 476795772 635727696 715193658 953591544 1430387316 1907183088 2860774632 4463338199 5721549264 8926676398 13390014597 17853352796 26780029194 35706705592 40170043791 53560058388 71413411184 80340087582 107120116776 120510131373 160680175164 214240233552 241020262746 321360350328 482040525492 642720700656 964081050984 1928162101968