Base | Representation |
---|---|
bin | 1001000010010011111… |
… | …0001100000110100010 |
3 | 112211200212202121201220 |
4 | 2100210332030012202 |
5 | 10020412202324210 |
6 | 155152120435510 |
7 | 14133653422440 |
oct | 2204476140642 |
9 | 484625677656 |
10 | 155239104930 |
11 | 5a922478238 |
12 | 26105318b96 |
13 | 1183cb07650 |
14 | 77294d3b90 |
15 | 4088a16c70 |
hex | 2424f8c1a2 |
155239104930 has 128 divisors (see below), whose sum is σ = 466324992000. Its totient is φ = 32198563584.
The previous prime is 155239104929. The next prime is 155239104967. The reversal of 155239104930 is 39401932551.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 320830 + ... + 642969.
It is an arithmetic number, because the mean of its divisors is an integer number (3643164000).
Almost surely, 2155239104930 is an apocalyptic number.
155239104930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
155239104930 is an abundant number, since it is smaller than the sum of its proper divisors (311085887070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155239104930 is a wasteful number, since it uses less digits than its factorization.
155239104930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 963888.
The product of its (nonzero) digits is 145800, while the sum is 42.
The spelling of 155239104930 in words is "one hundred fifty-five billion, two hundred thirty-nine million, one hundred four thousand, nine hundred thirty".
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