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142166382858240 = 21235134179179307
BaseRepresentation
bin100000010100110010110000…
…101111111101000000000000
3200122100222021122210100000020
4200110302300233331000000
5122113223223002430430
61222210200142053440
741642116332534366
oct4024626057750000
9618328248710006
10142166382858240
1141331473943044
1213b40969b7a280
1361433036c9580
142716c65281636
1511681194b8b10
hex814cb0bfd000

142166382858240 has 1664 divisors, whose sum is σ = 512670941798400. Its totient is φ = 33411594977280.

The previous prime is 142166382858223. The next prime is 142166382858257. The reversal of 142166382858240 is 42858283661241.

It is an interprime number because it is at equal distance from previous prime (142166382858223) and next prime (142166382858257).

It is a tau number, because it is divible by the number of its divisors (1664).

It is a super-2 number, since 2×1421663828582402 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 463082680167 + ... + 463082680473.

Almost surely, 2142166382858240 is an apocalyptic number.

142166382858240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142166382858240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256335470899200).

142166382858240 is an abundant number, since it is smaller than the sum of its proper divisors (370504558940160).

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

142166382858240 is a wasteful number, since it uses less digits than its factorization.

142166382858240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 60.

The spelling of 142166382858240 in words is "one hundred forty-two trillion, one hundred sixty-six billion, three hundred eighty-two million, eight hundred fifty-eight thousand, two hundred forty".