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377641525145 = 5641162172689
BaseRepresentation
bin1010111111011010011…
…00000101111110011001
31100002202111011011110112
411133231030011332121
522141402212301040
6445253000254105
736166211000063
oct5375514057631
91302674134415
10377641525145
1113617a883305
1261233471335
13297c4456871
14143c698a733
159c53aaa365
hex57ed305f99

377641525145 has 16 divisors (see below), whose sum is σ = 454163049360. Its totient is φ = 301451673600.

The previous prime is 377641525141. The next prime is 377641525147. The reversal of 377641525145 is 541525146773.

It can be written as a sum of positive squares in 8 ways, for example, as 1456796224 + 376184728921 = 38168^2 + 613339^2 .

It is not a de Polignac number, because 377641525145 - 22 = 377641525141 is a prime.

It is a super-2 number, since 2×3776415251452 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 377641525093 and 377641525102.

It is not an unprimeable number, because it can be changed into a prime (377641525141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5158961 + ... + 5231649.

It is an arithmetic number, because the mean of its divisors is an integer number (28385190585).

Almost surely, 2377641525145 is an apocalyptic number.

It is an amenable number.

377641525145 is a deficient number, since it is larger than the sum of its proper divisors (76521524215).

377641525145 is a wasteful number, since it uses less digits than its factorization.

377641525145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74956.

The product of its digits is 3528000, while the sum is 50.

The spelling of 377641525145 in words is "three hundred seventy-seven billion, six hundred forty-one million, five hundred twenty-five thousand, one hundred forty-five".

Divisors: 1 5 641 1621 3205 8105 72689 363445 1039061 5195305 46593649 117828869 232968245 589144345 75528305029 377641525145