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30869690355 = 3357195713011
BaseRepresentation
bin11100101111111110…
…100001011111110011
32221200100202202021000
4130233332201133303
51001210120042410
622103100333043
72141660016150
oct345776413763
987610682230
1030869690355
1112101154299
125b96244183
132bac60888a
1416cbb55227
15c0a169dc0
hex72ffa17f3

30869690355 has 128 divisors (see below), whose sum is σ = 66157977600. Its totient is φ = 13341283200.

The previous prime is 30869690347. The next prime is 30869690387. The reversal of 30869690355 is 55309696803.

It is not a de Polignac number, because 30869690355 - 23 = 30869690347 is a prime.

It is a super-2 number, since 2×308696903552 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10250800 + ... + 10253810.

It is an arithmetic number, because the mean of its divisors is an integer number (516859200).

Almost surely, 230869690355 is an apocalyptic number.

30869690355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30869690355 is an abundant number, since it is smaller than the sum of its proper divisors (35288287245).

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

30869690355 is a wasteful number, since it uses less digits than its factorization.

30869690355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622 (or 3616 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 30869690355 in words is "thirty billion, eight hundred sixty-nine million, six hundred ninety thousand, three hundred fifty-five".

Divisors: 1 3 5 7 9 15 19 21 27 35 45 57 63 95 105 133 135 171 189 285 315 399 513 571 665 855 945 1197 1713 1995 2565 2855 3011 3591 3997 5139 5985 8565 9033 10849 11991 15055 15417 17955 19985 21077 25695 27099 32547 35973 45165 54245 57209 59955 63231 75943 77085 81297 97641 105385 107919 135495 162735 171627 179865 189693 227829 286045 292923 316155 379715 400463 406485 488205 514881 539595 569079 683487 858135 948465 1139145 1201389 1464615 1544643 1719281 2002315 2050461 2574405 2845395 3417435 3604167 5157843 6006945 7723215 8596405 10252305 10812501 12034967 15473529 18020835 25789215 32666339 36104901 46420587 54062505 60174835 77367645 97999017 108314703 163331695 180524505 228664373 232102935 293997051 324944109 489995085 541573515 685993119 881991153 1143321865 1469985255 1624720545 2057979357 3429965595 4409955765 6173938071 10289896785 30869690355