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381136196901 = 3643197582269
BaseRepresentation
bin1011000101111010111…
…11001101010100100101
31100102210000222212212210
411202331133031110211
522221031331300101
6451031435234033
736351624135345
oct5427537152445
91312700885783
10381136196901
111377034a0989
1261a498a8919
1329c30478b85
1414638b5cd25
159daa7b37d6
hex58bd7cd525

381136196901 has 8 divisors (see below), whose sum is σ = 508971927520. Its totient is φ = 253695632112.

The previous prime is 381136196893. The next prime is 381136196933. The reversal of 381136196901 is 109691631183.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 381136196901 - 23 = 381136196893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381136196971) 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, 98789206 + ... + 98793063.

It is an arithmetic number, because the mean of its divisors is an integer number (63621490940).

Almost surely, 2381136196901 is an apocalyptic number.

It is an amenable number.

381136196901 is a deficient number, since it is larger than the sum of its proper divisors (127835730619).

381136196901 is a wasteful number, since it uses less digits than its factorization.

381136196901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197582915.

The product of its (nonzero) digits is 209952, while the sum is 48.

The spelling of 381136196901 in words is "three hundred eighty-one billion, one hundred thirty-six million, one hundred ninety-six thousand, nine hundred one".

Divisors: 1 3 643 1929 197582269 592746807 127045398967 381136196901