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1061838802825 = 5273643904867
BaseRepresentation
bin11110111001110101000…
…01100100111110001001
310202111210101001002111121
433130322201210332021
5114344121213142300
62131445122355241
7136500232621633
oct17347241447611
93674711032447
101061838802825
1137a36135a809
1215195b7bbb21
1379191980728
14395711d3a53
151c94a63981a
hexf73a864f89

1061838802825 has 24 divisors (see below), whose sum is σ = 1336794071648. Its totient is φ = 836530519680.

The previous prime is 1061838802823. The next prime is 1061838802841. The reversal of 1061838802825 is 5282088381601.

It is not a de Polignac number, because 1061838802825 - 21 = 1061838802823 is a prime.

It is a super-2 number, since 2×10618388028252 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061838802823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 721042 + ... + 1625908.

Almost surely, 21061838802825 is an apocalyptic number.

It is an amenable number.

1061838802825 is a deficient number, since it is larger than the sum of its proper divisors (274955268823).

1061838802825 is an equidigital number, since it uses as much as digits as its factorization.

1061838802825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905593 (or 905588 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 52.

The spelling of 1061838802825 in words is "one trillion, sixty-one billion, eight hundred thirty-eight million, eight hundred two thousand, eight hundred twenty-five".

Divisors: 1 5 25 73 365 643 1825 3215 16075 46939 234695 904867 1173475 4524335 22621675 66055291 330276455 581829481 1651382275 2909147405 14545737025 42473552113 212367760565 1061838802825