Search a number
-
+
155239104930 = 23571359963799
BaseRepresentation
bin1001000010010011111…
…0001100000110100010
3112211200212202121201220
42100210332030012202
510020412202324210
6155152120435510
714133653422440
oct2204476140642
9484625677656
10155239104930
115a922478238
1226105318b96
131183cb07650
1477294d3b90
154088a16c70
hex2424f8c1a2

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".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 59 65 70 78 91 105 118 130 177 182 195 210 273 295 354 390 413 455 546 590 767 826 885 910 1239 1365 1534 1770 2065 2301 2478 2730 3835 4130 4602 5369 6195 7670 10738 11505 12390 16107 23010 26845 32214 53690 80535 161070 963799 1927598 2891397 4818995 5782794 6746593 9637990 12529387 13493186 14456985 20239779 25058774 28913970 33732965 37588161 40479558 56864141 62646935 67465930 75176322 87705709 101198895 113728282 125293870 170592423 175411418 187940805 202397790 263117127 284320705 341184846 375881610 398048987 438528545 526234254 568641410 739233833 796097974 852962115 877057090 1194146961 1315585635 1478467666 1705924230 1990244935 2217701499 2388293922 2631171270 3696169165 3980489870 4435402998 5174636831 5970734805 7392338330 10349273662 11088507495 11941469610 15523910493 22177014990 25873184155 31047820986 51746368310 77619552465 155239104930