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30233020221988 = 22475032087153191
BaseRepresentation
bin1101101111111001011000…
…11011100100101000100100
310222001020201011100112001021
412313330230123210220210
512430314211134100423
6144144505135140524
76240156265530043
oct667745433445044
9128036634315037
1030233020221988
1196a682a818811
123483441374744
1313b3c667681cc
14767400a6455a
1537666c0b295d
hex1b7f2c6e4a24

30233020221988 has 48 divisors (see below), whose sum is σ = 54167200948224. Its totient is φ = 14758297638560.

The previous prime is 30233020221977. The next prime is 30233020221991. The reversal of 30233020221988 is 88912202033203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197278473 + ... + 197431663.

It is an arithmetic number, because the mean of its divisors is an integer number (1128483353088).

Almost surely, 230233020221988 is an apocalyptic number.

It is an amenable number.

30233020221988 is a deficient number, since it is larger than the sum of its proper divisors (23934180726236).

30233020221988 is a wasteful number, since it uses less digits than its factorization.

30233020221988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155832 (or 155830 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 30233020221988 in words is "thirty trillion, two hundred thirty-three billion, twenty million, two hundred twenty-one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 47 94 188 503 1006 2012 2087 4174 8348 23641 47282 94564 98089 153191 196178 306382 392356 612764 1049761 2099522 4199044 7199977 14399954 28799908 49338767 77055073 98677534 154110146 197355068 308220292 319709617 639419234 1278838468 3621588431 7243176862 14486353724 15026351999 30052703998 60105407996 160813937351 321627874702 643255749404 7558255055497 15116510110994 30233020221988