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4997912192910 = 23257132278093323
BaseRepresentation
bin100100010111010101011…
…0001111110011110001110
3122200210111002112112111200
41020232222301332132032
51123341211010133120
614344001551330330
71024041631460040
oct110565261763616
918623432475450
104997912192910
11165766a15715a
126887668209a6
132a33bb685160
14133c86391a90
158a0192b6e90
hex48baac7e78e

4997912192910 has 384 divisors, whose sum is σ = 16088470594560. Its totient is φ = 1048245884928.

The previous prime is 4997912192879. The next prime is 4997912192939. The reversal of 4997912192910 is 192912197994.

4997912192910 is a `hidden beast` number, since 49 + 9 + 7 + 91 + 219 + 291 + 0 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1504034509 + ... + 1504037831.

It is an arithmetic number, because the mean of its divisors is an integer number (41897058840).

Almost surely, 24997912192910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4997912192910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8044235297280).

4997912192910 is an abundant number, since it is smaller than the sum of its proper divisors (11090558401650).

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

4997912192910 is a wasteful number, since it uses less digits than its factorization.

4997912192910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392 (or 4389 counting only the distinct ones).

The product of its (nonzero) digits is 6613488, while the sum is 63.

The spelling of 4997912192910 in words is "four trillion, nine hundred ninety-seven billion, nine hundred twelve million, one hundred ninety-two thousand, nine hundred ten".