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29901312001 = 112247118281
BaseRepresentation
bin11011110110010000…
…011101000000000001
32212011212121000220001
4123312100131000001
5442214213441001
621423024520001
72105660646511
oct336620350001
985155530801
1029901312001
1111754569300
125965a80001
132a86ac0832
1416392b9841
15ba0133001
hex6f641d001

29901312001 has 6 divisors (see below), whose sum is σ = 32866731506. Its totient is φ = 27183010800.

The previous prime is 29901311987. The next prime is 29901312017. The reversal of 29901312001 is 10021310992.

It can be written as a sum of positive squares in only one way, i.e., 27680640625 + 2220671376 = 166375^2 + 47124^2 .

It is not a de Polignac number, because 29901312001 - 223 = 29892923393 is a prime.

It is a super-2 number, since 2×299013120012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29901312071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123559020 + ... + 123559261.

Almost surely, 229901312001 is an apocalyptic number.

It is an amenable number.

29901312001 is a deficient number, since it is larger than the sum of its proper divisors (2965419505).

29901312001 is a wasteful number, since it uses less digits than its factorization.

29901312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247118303 (or 247118292 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

Adding to 29901312001 its reverse (10021310992), we get a palindrome (39922622993).

The spelling of 29901312001 in words is "twenty-nine billion, nine hundred one million, three hundred twelve thousand, one".

Divisors: 1 11 121 247118281 2718301091 29901312001