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19404293867348 = 22131756312124679
BaseRepresentation
bin1000110100101111010100…
…00010110000011101010100
32112201000212121021111211112
410122113222002300131110
510020404443212223343
6105134113132154152
74041625330315355
oct432275202603524
975630777244745
1019404293867348
116201351023645
122214822908958
13aa9a81109550
144b125c385d2c
15239b3be8a218
hex11a5ea0b0754

19404293867348 has 24 divisors (see below), whose sum is σ = 36569856180480. Its totient is φ = 8955772731360.

The previous prime is 19404293867347. The next prime is 19404293867363. The reversal of 19404293867348 is 84376839240491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19404293867347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8070473 + ... + 10195151.

It is an arithmetic number, because the mean of its divisors is an integer number (1523744007520).

Almost surely, 219404293867348 is an apocalyptic number.

It is an amenable number.

19404293867348 is a deficient number, since it is larger than the sum of its proper divisors (17165562313132).

19404293867348 is a wasteful number, since it uses less digits than its factorization.

19404293867348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300327 (or 2300325 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 68.

The spelling of 19404293867348 in words is "nineteen trillion, four hundred four billion, two hundred ninety-three million, eight hundred sixty-seven thousand, three hundred forty-eight".

Divisors: 1 2 4 13 26 52 175631 351262 702524 2124679 2283203 4249358 4566406 8498716 9132812 27620827 55241654 110483308 373159497449 746318994898 1492637989796 4851073466837 9702146933674 19404293867348