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145805963100196 = 22728625012
BaseRepresentation
bin100001001001110000011000…
…101000110000000000100100
3201010020220200021010021122211
4201021300120220300000210
5123102341103023201241
61234034200145533204
742466063455255100
oct4111603050600044
9633226607107584
10145805963100196
1142504a6401a983
121442a20a044204
13634859bc9a689
142801090d60900
1511ccb33799781
hex849c18a30024

145805963100196 has 27 divisors (see below), whose sum is σ = 296819626163697. Its totient is φ = 62488197450000.

The previous prime is 145805963100173. The next prime is 145805963100257. The reversal of 145805963100196 is 691001369508541.

It is a happy number.

The square root of 145805963100196 is 12075014.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 34689908954596 + 111116054145600 = 5889814^2 + 10541160^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145805963100196.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 168618946 + ... + 169481446.

Almost surely, 2145805963100196 is an apocalyptic number.

145805963100196 is the 12075014-th square number.

It is an amenable number.

145805963100196 is an abundant number, since it is smaller than the sum of its proper divisors (151013663063501).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145805963100196 is an frugal number, since it uses more digits than its factorization.

145805963100196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725020 (or 862510 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 58.

The spelling of 145805963100196 in words is "one hundred forty-five trillion, eight hundred five billion, nine hundred sixty-three million, one hundred thousand, one hundred ninety-six".

Divisors: 1 2 4 7 14 28 49 98 196 862501 1725002 3450004 6037507 12075014 24150028 42262549 84525098 169050196 743907975001 1487815950002 2975631900004 5207355825007 10414711650014 20829423300028 36451490775049 72902981550098 145805963100196