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30209071421388 = 2233583702601903
BaseRepresentation
bin1101101111001100110001…
…11110001001011111001100
310221221221220010110101201110
412313212120332021133030
512424421134240441023
6144125504505212020
76235350644220666
oct667463076113714
9127857803411643
1030209071421388
1196976602a5422
12347a878a91010
1313b191ac57192
147661ac155536
15375c19836a93
hex1b7998f897cc

30209071421388 has 24 divisors (see below), whose sum is σ = 70507506270208. Its totient is φ = 10066880051856.

The previous prime is 30209071421377. The next prime is 30209071421491. The reversal of 30209071421388 is 88312417090203.

It is a happy number.

It is a super-2 number, since 2×302090714213882 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351257956 + ... + 351343947.

Almost surely, 230209071421388 is an apocalyptic number.

It is an amenable number.

30209071421388 is an abundant number, since it is smaller than the sum of its proper divisors (40298434848820).

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

30209071421388 is a wasteful number, since it uses less digits than its factorization.

30209071421388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702605493 (or 702605491 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 30209071421388 in words is "thirty trillion, two hundred nine billion, seventy-one million, four hundred twenty-one thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 3583 7166 10749 14332 21498 42996 702601903 1405203806 2107805709 2810407612 4215611418 8431222836 2517422618449 5034845236898 7552267855347 10069690473796 15104535710694 30209071421388