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30542202669 = 311171937431801
BaseRepresentation
bin11100011100011101…
…010000011100101101
32220211112112122121110
4130130131100130231
51000022300441134
622010401222233
72130602303436
oct343435203455
986745478543
1030542202669
1111a53305a10
125b04631979
132b59805494
14169a46848d
15bdb52b7e9
hex71c75072d

30542202669 has 128 divisors (see below), whose sum is σ = 52063672320. Its totient is φ = 15676416000.

The previous prime is 30542202661. The next prime is 30542202671. The reversal of 30542202669 is 96620224503.

It is not a de Polignac number, because 30542202669 - 23 = 30542202661 is a prime.

It is a super-2 number, since 2×305422026692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30542202661) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16957569 + ... + 16959369.

It is an arithmetic number, because the mean of its divisors is an integer number (406747440).

Almost surely, 230542202669 is an apocalyptic number.

It is an amenable number.

30542202669 is a deficient number, since it is larger than the sum of its proper divisors (21521469651).

30542202669 is a wasteful number, since it uses less digits than its factorization.

30542202669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 30542202669 in words is "thirty billion, five hundred forty-two million, two hundred two thousand, six hundred sixty-nine".

Divisors: 1 3 11 17 19 33 37 43 51 57 111 129 187 209 323 407 473 561 627 629 703 731 817 969 1221 1419 1591 1801 1887 2109 2193 2451 3553 4773 5403 6919 7733 8041 8987 10659 11951 13889 17501 19811 20757 23199 24123 26961 27047 30229 30617 34219 35853 41667 52503 59433 66637 77443 81141 90687 91851 102657 131461 152779 199911 232329 297517 332519 336787 376409 394383 458337 513893 581723 733007 851873 892551 997557 1010361 1129227 1132829 1266103 1316531 1471417 1541679 1745169 2199021 2555619 2865391 3398487 3798309 3949593 4414251 5652823 6398953 8596173 12461119 13927133 14481841 16185587 16958469 19196859 21523751 25014089 31519301 37383357 41781399 43445523 48556761 48711647 54442429 64571253 75042267 94557903 146134941 163327287 236761261 275154979 535828117 598866719 710283783 825464937 925521293 1607484351 1796600157 2776563879 10180734223 30542202669