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380161638488 = 23611478352697
BaseRepresentation
bin1011000100000110110…
…01100100000001011000
31100100021010012012001202
411202003121210001120
522212032334412423
6450351023133332
736315521416232
oct5420331440130
91310233165052
10380161638488
11137253374805
1261817444248
1329b065a8ba8
1414585555252
159d4ee5a728
hex5883664058

380161638488 has 32 divisors (see below), whose sum is σ = 724551125760. Its totient is φ = 186948545280.

The previous prime is 380161638473. The next prime is 380161638497. The reversal of 380161638488 is 884836161083.

It is a super-2 number, since 2×3801616384882 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 7187756 + ... + 7240452.

It is an arithmetic number, because the mean of its divisors is an integer number (22642222680).

Almost surely, 2380161638488 is an apocalyptic number.

It is an amenable number.

380161638488 is a deficient number, since it is larger than the sum of its proper divisors (344389487272).

380161638488 is a wasteful number, since it uses less digits than its factorization.

380161638488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67547 (or 67543 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 380161638488 in words is "three hundred eighty billion, one hundred sixty-one million, six hundred thirty-eight thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 61 122 244 488 14783 29566 52697 59132 105394 118264 210788 421576 901763 1803526 3214517 3607052 6429034 7214104 12858068 25716136 779019751 1558039502 3116079004 6232158008 47520204811 95040409622 190080819244 380161638488