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1207688904601 = 347231672
BaseRepresentation
bin10001100100101111110…
…111100011111110011001
311021110020220201221012221
4101210233313203332121
5124241321324421401
62322445444304041
7153152441212354
oct21445767437631
94243226657187
101207688904601
114261a59a1a03
121760846a2021
1389b665469ba
144264977129b
1521634c347a1
hex1192fde3f99

1207688904601 has 9 divisors (see below), whose sum is σ = 1211561864149. Its totient is φ = 1203828296764.

The previous prime is 1207688904563. The next prime is 1207688904701. The reversal of 1207688904601 is 1064098867021.

The square root of 1207688904601 is 1098949.

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

It is not a de Polignac number, because 1207688904601 - 27 = 1207688904473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1207688904701) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 381333720 + ... + 381336886.

Almost surely, 21207688904601 is an apocalyptic number.

1207688904601 is the 1098949-th square number.

1207688904601 is the 549475-th centered octagonal number.

It is an amenable number.

1207688904601 is a deficient number, since it is larger than the sum of its proper divisors (3872959548).

1207688904601 is an frugal number, since it uses more digits than its factorization.

1207688904601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028 (or 3514 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 1207688904601 in words is "one trillion, two hundred seven billion, six hundred eighty-eight million, nine hundred four thousand, six hundred one".

Divisors: 1 347 3167 120409 1098949 10029889 381335303 3480371483 1207688904601