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30012121102002 = 23131959343238879
BaseRepresentation
bin1101101001011101111011…
…10100010011011010110010
310221021010112022200112112220
412310232331310103122302
512413204311000231002
6143455213400301510
76215206224144054
oct664567564233262
9127233468615486
1030012121102002
119621083a47426
123448672771896
1313991916c5460
1475a8470cd8d4
15370a3debb7bc
hex1b4bbdd136b2

30012121102002 has 64 divisors (see below), whose sum is σ = 69196958208000. Its totient is φ = 8600193327168.

The previous prime is 30012121101979. The next prime is 30012121102037. The reversal of 30012121102002 is 20020112121003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171532002 + ... + 171706877.

It is an arithmetic number, because the mean of its divisors is an integer number (1081202472000).

Almost surely, 230012121102002 is an apocalyptic number.

30012121102002 is an abundant number, since it is smaller than the sum of its proper divisors (39184837105998).

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

30012121102002 is a wasteful number, since it uses less digits than its factorization.

30012121102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343238975.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30012121102002 its reverse (20020112121003), we get a palindrome (50032233223005).

The spelling of 30012121102002 in words is "thirty trillion, twelve billion, one hundred twenty-one million, one hundred two thousand, two".

Divisors: 1 2 3 6 13 19 26 38 39 57 59 78 114 118 177 247 354 494 741 767 1121 1482 1534 2242 2301 3363 4602 6726 14573 29146 43719 87438 343238879 686477758 1029716637 2059433274 4462105427 6521538701 8924210854 13043077402 13386316281 19564616103 20251093861 26772632562 39129232206 40502187722 60753281583 84780003113 121506563166 169560006226 254340009339 263264220193 384770783359 508680018678 526528440386 769541566718 789792660579 1154312350077 1579585321158 2308624700154 5002020183667 10004040367334 15006060551001 30012121102002