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200203030120 = 2355005075753
BaseRepresentation
bin1011101001110100000…
…1111100111001101000
3201010202111022200110111
42322131001330321220
511240003433430440
6231545541424104
720315134451362
oct2723501747150
9633674280414
10200203030120
11779a6433795
123297370b034
1315b573c7742
149993051d32
15531b1cb4ea
hex2e9d07ce68

200203030120 has 16 divisors (see below), whose sum is σ = 450456817860. Its totient is φ = 80081212032.

The previous prime is 200203030099. The next prime is 200203030121. The reversal of 200203030120 is 21030302002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 199914505924 + 288524196 = 447118^2 + 16986^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200203030120.

It is not an unprimeable number, because it can be changed into a prime (200203030121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502537837 + ... + 2502537916.

Almost surely, 2200203030120 is an apocalyptic number.

200203030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200203030120 is an abundant number, since it is smaller than the sum of its proper divisors (250253787740).

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

200203030120 is a wasteful number, since it uses less digits than its factorization.

200203030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005075764 (or 5005075760 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 200203030120 its reverse (21030302002), we get a palindrome (221233332122).

The spelling of 200203030120 in words is "two hundred billion, two hundred three million, thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5005075753 10010151506 20020303012 25025378765 40040606024 50050757530 100101515060 200203030120