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1975980370000 = 245472132313487
BaseRepresentation
bin11100110000010001100…
…110111010100001010000
320222220100110200012222011
4130300101212322201100
5224333301433320000
64111430340552304
7262521431006200
oct34602146724120
96886313605864
101975980370000
116a20104502aa
1227ab5b9b2694
13114446184160
146b8d07c4400
15365ee4102ba
hex1cc119ba850

1975980370000 has 600 divisors, whose sum is σ = 6254238203136. Its totient is φ = 598131072000.

The previous prime is 1975980369971. The next prime is 1975980370019. The reversal of 1975980370000 is 730895791.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 146503257 + ... + 146516743.

Almost surely, 21975980370000 is an apocalyptic number.

1975980370000 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 1975980370000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3127119101568).

1975980370000 is an abundant number, since it is smaller than the sum of its proper divisors (4278257833136).

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

1975980370000 is a wasteful number, since it uses less digits than its factorization.

1975980370000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13565 (or 13537 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 49.

The spelling of 1975980370000 in words is "one trillion, nine hundred seventy-five billion, nine hundred eighty million, three hundred seventy thousand".