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129761067292 = 2232440266823
BaseRepresentation
bin111100011011001011…
…1001100000100011100
3110101221021100012120021
41320312113030010130
54111222313123132
6135340022001524
712242412605353
oct1706627140434
9411837305507
10129761067292
115003881548a
12211948762a4
13c30c53872c
1463cd87099a
153596db8997
hex1e365cc11c

129761067292 has 6 divisors (see below), whose sum is σ = 227081867768. Its totient is φ = 64880533644.

The previous prime is 129761067287. The next prime is 129761067307. The reversal of 129761067292 is 292760167921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16220133408 + ... + 16220133415.

Almost surely, 2129761067292 is an apocalyptic number.

It is an amenable number.

129761067292 is a deficient number, since it is larger than the sum of its proper divisors (97320800476).

129761067292 is a wasteful number, since it uses less digits than its factorization.

129761067292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32440266827 (or 32440266825 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 129761067292 in words is "one hundred twenty-nine billion, seven hundred sixty-one million, sixty-seven thousand, two hundred ninety-two".

Divisors: 1 2 4 32440266823 64880533646 129761067292